{"id":2661,"date":"2025-04-29T13:30:14","date_gmt":"2025-04-29T11:30:14","guid":{"rendered":"https:\/\/alexandrakubas.com\/?p=2661"},"modified":"2026-10-26T07:10:59","modified_gmt":"2026-10-26T06:10:59","slug":"key-active-ingredients-in-skincare-what-you-need-to-know","status":"publish","type":"post","link":"https:\/\/alexandrakubas.com\/en\/key-active-ingredients-in-skincare-what-you-need-to-know\/","title":{"rendered":"Key Active Ingredients in Skincare: What You Need to Know"},"content":{"rendered":"\n<nav class=\"ak-topics ak-topics--post\" aria-label=\"Blog topics\"><a class=\"ak-t-blog\" href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/\">All<\/a><a class=\"ak-t-tradzik\" href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/acne\/\">Acne<\/a><a class=\"ak-t-wrazliwa\" href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/sensitive-skin-eczema-rosacea\/\">Sensitive skin &amp; eczema<\/a><a class=\"ak-t-skladniki\" href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/cosmetic-ingredients\/\">Ingredients<\/a><a class=\"ak-t-porady\" href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/skincare-tips\/\">Skincare tips<\/a><a class=\"ak-t-bezp\" href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/cosmetic-safety\/\">Safety<\/a><\/nav>\n\n\n\n<h2 class=\"wp-block-heading\">Active Ingredients in Cosmetics: How to Choose the Best for Your Skin?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Published: 29.04.2025 | Updated: 21.06.2025 | Reading time approx. 15 min.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Active ingredients in cosmetics are the substances that directly influence the health and appearance of your skin. They are responsible for targeted actions such as moisturising, reducing wrinkles, soothing irritation, and addressing other skin concerns. The key to effective skincare, however, is a conscious selection of its ingredients. This ensures they can deliver the best possible results.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The sheer amount of available skincare products can be overwhelming. That&#8217;s why understanding active ingredients is crucial for making an informed choice.<\/p>\n\n\n\n<nav class=\"wp-block-stackable-table-of-contents stk-block-table-of-contents stk-block stk-f589d53\" data-block-id=\"f589d53\"><p class=\"stk-table-of-contents__title\">Table of Contents<\/p><ul class=\"stk-table-of-contents__table\"><li><a href=\"#key-takeaways\">Key takeaways<\/a><\/li><li><a href=\"#choosing-the-right-active-ingredients-for-your-skin-type\">Choosing the Right Active Ingredients for Your Skin Type<\/a><\/li><li><a href=\"#hyperpigmentation-brightening-and-evening-skin-tone\">Hyperpigmentation: Brightening and Evening Skin Tone<\/a><\/li><li><a href=\"#oily-acne-prone-skin-fighting-bacteria-and-regulating-sebum\">Oily &amp; Acne-Prone Skin: Fighting Bacteria and Regulating Sebum<\/a><\/li><li><a href=\"#a-breakdown-of-key-active-ingredients-in-skin-care-products\">A Breakdown of Key Active Ingredients in Skin Care Products<\/a><\/li><li><a href=\"#how-to-use-active-ingredients-safely\">How to Use Active Ingredients Safely<\/a><\/li><li><a href=\"#in-conclusion\">In Conclusion<\/a><\/li><\/ul><\/nav>\n\n\n\n<h2 id=\"key-takeaways\" class=\"wp-block-heading\">Key takeaways<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Active ingredients are the foundation of targeted care<\/strong>. Ingredients like hyaluronic acid, retinol, and ceramides can significantly improve the skin&#8217;s condition, provided they meet its current needs .<\/li>\n\n\n\n<li><strong>Hydration is a priority &#8211; even for oily skin. <\/strong>Without a strong hydrolipidic barrier, no active ingredient can work optimally. Dehydrated oily skin is more common than you might think and is often the result of an imbalanced water-lipid barrier.<\/li>\n\n\n\n<li><strong>Introduce new skincare products gradually to prevent over-stimulation. <\/strong>Your skin needs time to adapt. Instead of testing several products at once, introduce them one by one and observe your skin&#8217;s reaction. If in doubt, consult a dermatologist or cosmetologist.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Some active cosmetic ingredients have the ability to penetrate through the stratum corneum into the deeper layers of the skin. However, many other ingredients are designed to work on the surface of the epidermis or just beneath it. This approach is perfectly fine and often very effective. Our skin has several layers, each with a different function. For this reason, you shouldn&#8217;t exclusively seek out products that promise deep skin penetration. To be effective, some ingredients don&#8217;t need to be absorbed deeply at all. While cosmetics work within the epidermis, our primary area of interest is often its outermost protective layer: the stratum corneum.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"2663\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/SKIN-1024x576.jpg\" alt=\"what the cross-section of the skin looks like\" class=\"wp-image-2663\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/SKIN-1024x576.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/SKIN-300x169.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/SKIN-768x432.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/SKIN-800x450.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/SKIN.jpg 1366w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 id=\"choosing-the-right-active-ingredients-for-your-skin-type\" class=\"wp-block-heading\">Choosing the Right Active Ingredients for Your Skin Type<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The right choice of active ingredients depends on your skin type, your skincare goals, and the other substances within a cosmetic\u2019s formula. Both dry and oily skin can suffer from dehydration, but they react in different ways. Oily skin often defends against water loss by overproducing sebum, which leads to a shiny complexion. Dry skin, on the other hand, doesn\u2019t produce enough of its own lipids to retain moisture. In both cases, skin hydration is crucial, but it must be tailored to the specific nature of the problem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rosacea-prone skin, for instance, requires ingredients that thicken its structure and strengthen capillary walls. Look for actives that stimulate collagen production, such as peptides, coenzyme Q10, and vitamin C. Acne-prone skin, on the other hand, has different needs. It responds best to soothing substances like niacinamide and panthenol, alongside ingredients that restore balance to sebaceous glands.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An effective skincare routine begins with one thing: understanding your skin&#8217;s unique needs. From there, you can make a conscious choice about which cosmetics to use. Identifying specific ingredients allows you to target your concerns with precision. Ultimately, this is what leads to a healthy, radiant appearance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dry Skin: Key Ingredients<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This skin type is characterised by a lack of sufficient hydration, which manifests as roughness and a susceptibility to irritation. <strong>Hyaluronic acid<\/strong> is indispensable for this skin type. As a powerful humectant, it binds water deep within the skin to smooth the complexion and improve elasticity. However, these serums are typically water-based, and water can evaporate quickly from the skin&#8217;s surface. To lock in that hydration, always layer an oil-based or richer product over your hyaluronic acid serum. This creates an occlusive layer, making the hydrating effect incomparably better.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ingredients that <a href=\"https:\/\/alexandrakubas.com\/en\/how-to-care-for-your-skins-hydrolipid-barrier\/\" target=\"_blank\" rel=\"noreferrer noopener\">rebuild the hydrolipidic barrier<\/a> are just as important:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ceramides<\/strong> \u2013 These rebuild the skin barrier, protecting the skin from moisture loss and external factors. They are often called the skin&#8217;s &#8220;intercellular cement.&#8221;<\/li>\n\n\n\n<li><strong>Trehalose<\/strong> \u2013 This acts like a &#8216;protective coat&#8217; by moisturising and supporting the skin&#8217;s defences, which accelerates regeneration. It has hygroscopic properties, much like hyaluronic acid, and stores moisture.<\/li>\n\n\n\n<li><strong>Glycerin<\/strong> \u2013 This acts as a humectant, drawing water into the epidermis to provide immediate hydration.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/04\/kwas-hialuromowy.jpg\" alt=\"hyaluronic acid how does it look like\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Oily Skin: Sebum Regulation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Oily skin requires special attention due to an overproduction of sebum, which leads to shine, blackheads, and acne. The key to managing this skin type is using active ingredients that offer a two-pronged approach: regulating sebum secretion and preventing inflammation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Azelaic acid<\/strong> reduces not only excess sebum but also redness and the bacteria responsible for acne. <strong>Niacinamide<\/strong> has a sebostatic effect while also strengthening the hydrolipidic barrier, which minimises skin irritation. <strong>Retinoids<\/strong> such as retinol accelerate the exfoliation of dead skin cells, thereby preventing clogged pores.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is also worth paying attention to <strong>unsaturated fatty acids<\/strong> (e.g., omega-6). Working on the skin&#8217;s surface, these ingredients inhibit excessive sebum secretion and protect against water loss (TEWL). This helps the skin to maintain an appropriate level of hydration. They also reduce the visibility of pores and support the skin&#8217;s natural regeneration process.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Skin Prone to Redness: Supporting Collagen and Elastin Synthesis<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Skin prone to redness and visible capillaries requires ingredients that strengthen its overall structure. The aim is to thicken collagen fibres and reduce the appearance of broken capillaries. To do this, the key is using active substances that stimulate new collagen synthesis. It&#8217;s also crucial to protect the skin from factors that can worsen the problem, such as stress and temperature changes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Niacinamide<\/strong> is an excellent choice as it strengthens the walls of blood vessels, reduces redness, and helps regulate microcirculation. <strong>Hyaluronic acid<\/strong> moisturises even the most sensitive areas, improving the skin&#8217;s structure. <strong>Coenzyme Q10<\/strong> accelerates the regeneration of damaged collagen fibres while also neutralising the free radicals responsible for elastin degradation. It is my favourite ingredient for improving skin density.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Retinol<\/strong> can also be effective, as it aids in cellular renewal, evens out skin texture, and stimulates fibroblasts to produce collagen. Remember, however, that a gentle approach is crucial for this skin type &#8211; aggressive exfoliation can exacerbate the problem.<\/p>\n\n\n\n<h2 id=\"hyperpigmentation-brightening-and-evening-skin-tone\" class=\"wp-block-heading\"><a href=\"https:\/\/alexandrakubas.com\/en\/what-is-an-uneven-skin-tone-causes-and-proven-removal-methods\/\" target=\"_blank\" rel=\"noreferrer noopener\">Hyperpigmentation: Brightening and Evening Skin Tone<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tackling hyperpigmentation requires active ingredients that target the root of the problem: the overproduction of melanin. Here are three substances with proven effectiveness:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Azelaic Acid<\/strong> It inhibits the enzyme tyrosinase, which is responsible for melanin synthesis, thereby gradually lightening dark spots. Additionally, it has an anti-inflammatory effect, which is crucial for post-acne hyperpigmentation.<\/li>\n\n\n\n<li><strong>Coenzyme Q10<\/strong> This penetrates deeply into the skin, accelerating its regeneration. By supporting the skin&#8217;s natural exfoliation process, it gradually reduces the appearance of discolouration while also protecting against oxidative stress.<\/li>\n\n\n\n<li><strong>Retinol<\/strong> This works at the dermal level: it helps to break up accumulated melanin, evens out skin tone, and reduces sun spots. <strong>Caution!<\/strong> Due to its potential for irritation and increased photosensitivity, it is essential that you always combine it with an SPF 50+ sunscreen.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The regular use of these ingredients, combined with daily sun protection, is the most effective path to achieving a uniform, radiant complexion.<\/p>\n\n\n\n<div class=\"wp-block-stackable-card stk-block-card stk-block stk-e6d2d66 is-style-default\" data-v=\"2\" data-block-id=\"e6d2d66\"><div class=\"stk--no-padding stk-container stk-e6d2d66-container stk-hover-parent\"><figure class=\"stk-block-card__image stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7401\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/niacinamide-cover.jpg\" width=\"1366\" height=\"768\" alt=\"Niacinamide (vitamin B3) - structural formula of the molecule\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/niacinamide-cover.jpg 1366w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/niacinamide-cover-300x169.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/niacinamide-cover-1024x576.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/niacinamide-cover-768x432.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/niacinamide-cover-800x450.jpg 800w\" sizes=\"auto, (max-width: 1366px) 100vw, 1366px\" \/><\/figure><div class=\"stk-container-padding stk-block-card__content\"><div class=\"stk-block-content stk-inner-blocks stk-e6d2d66-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-8de64c9\" id=\"niacinamide-vitamin-b3-skin-benefits-properties-and-how-to-use-it-in-skincare\" data-block-id=\"8de64c9\"><p class=\"stk-block-heading__text has-text-color\">Niacinamide (Vitamin B3) \u2013 Skin Benefits, Properties and How to Use It in Skincare<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-subtitle stk-block-subtitle stk-block stk-908ce19\" data-block-id=\"908ce19\"><p class=\"stk-block-subtitle__text stk-subtitle\">Breakouts, redness, dark spots: can one ingredient really fix them all? Here&#8217;s what niacinamide actually does, and how to use it without irritation.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-d009c23\" data-block-id=\"d009c23\"><p class=\"stk-block-text__text\">Niacinamide \u2014 also called nicotinamide, or vitamin B3 \u2014 sits firmly in the category of ingredients that actually have the research to back them up. It works across several concerns at once: it reinforces the skin&#8217;s barrier (which\u2026<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-1735ec2\" data-block-id=\"1735ec2\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-2e80662\" data-block-id=\"2e80662\"><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/alexandrakubas.com\/en\/niacinamide-vitamin-b3-skin-benefits-properties-and-how-to-use-it-in-skincare\/\"><span class=\"stk-button__inner-text\">Read more<\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h2 id=\"oily-acne-prone-skin-fighting-bacteria-and-regulating-sebum\" class=\"wp-block-heading\">Oily &amp; Acne-Prone Skin: Fighting Bacteria and Regulating Sebum<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Acne is a problem that many people struggle with, regardless of age. Although its causes are complex and require a holistic approach, the key to skincare is avoiding aggressive methods. Avoid drying out the skin, as this can paradoxically trigger an increase in sebum production. Instead, focus on ingredients that regulate sebaceous gland function, support regeneration, and moisturise without clogging pores.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Retinoids and acids (AHA\/BHA)<\/strong> are proven allies in the fight against acne. Retinol exfoliates dead skin, reduces sebum, and brightens hyperpigmentation, but its action can be intense &#8211; so I recommend introducing it gradually. Acids like salicylic acid and mandelic cleanse pores and normalise gland function, though their effectiveness depends on concentration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Coenzyme Q10<\/strong> works more gently but just as effectively. You can safely combine it with both acids and retinol, making it an ideal choice for sensitive skin. <strong>Unsaturated fatty acids (omega-6)<\/strong> also deserve attention, as they both inhibit excessive sebum and reduce transepidermal water loss (TEWL). This dual action creates the right conditions to unblock pores and smooth the skin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And what about stubborn post-acne hyperpigmentation and scars? Here, three ingredients prove their worth:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Azelaic acid<\/strong>, which gently exfoliates and brightens marks, and is safe even during pregnancy (with a doctor&#8217;s consultation).<\/li>\n\n\n\n<li><strong>Retinol<\/strong> \u2013 however, for deep scars, it is worth seeking professional dermatological treatments that use higher concentrations under specialist supervision.<\/li>\n\n\n\n<li><strong>Coenzyme Q10<\/strong>, which accelerates skin metabolism and regeneration, helping to clear post-acne marks and some scars more quickly.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Wrinkles: Smoothing and Regeneration<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Wrinkles are a natural effect of the skin&#8217;s ageing process. However, the right active ingredients can significantly slow their formation and reduce the depth of existing lines. Effective anti-ageing skincare routine relies on substances that stimulate collagen synthesis, provide deep hydration, and neutralise free radicals.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Retinol: Stimulating Collagen and Elastin.<\/strong> Retinol stimulates fibroblasts to produce collagen and elastin, the two proteins responsible for the skin&#8217;s density and elasticity. This helps to reduce the depth of wrinkles, even out skin texture, and improve firmness.<\/li>\n\n\n\n<li><strong>Peptides: Supporting Fibre Regeneration.<\/strong> Peptides not only stimulate the synthesis of new collagen fibres but also support the repair of existing ones. This translates to improved firmness and a visibly smoother skin surface.<\/li>\n\n\n\n<li><strong>Coenzyme Q10: Protection from Oxidative Stress.<\/strong> Coenzyme Q10 supports cellular regeneration, fights the free radicals that accelerate collagen degradation, and evens out skin tone. It is safe for all skin types, including sensitive. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19096121\/\" target=\"_blank\" rel=\"noreferrer noopener\">According to scientific studies, a 1% concentration can help reduce wrinkles by an average of 27% in 6 months.<\/a> Our <a href=\"https:\/\/alexandrakubas.com\/en\/product\/serumq10\/\" target=\"_blank\" rel=\"noreferrer noopener\">serum with coenzyme q10<\/a> Our <strong>Serum + Q10<\/strong>, which also contains flavonoids, has been shown in clinical studies to reduce wrinkles by an average of 18% in just 6 weeks.<\/li>\n\n\n\n<li><strong>Hyaluronic Acid: Hydration and Plumping.<\/strong> Hyaluronic acid binds water in the dermis (1 molecule \u2248 250 molecules of H\u2082O), providing excellent hydration and improving skin elasticity. Its natural levels in the skin decline with age, so it&#8217;s important to replenish it in your daily skincare routine.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"a-breakdown-of-key-active-ingredients-in-skin-care-products\" class=\"wp-block-heading\">A Breakdown of Key Active Ingredients in Skin Care Products<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/04\/skladniki-aktywme-w-kosmetykach.jpg\" alt=\"active ingredients in cosmetics\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Some active ingredients have a broad spectrum of action and are suitable for various skin types. Active ingredients are found in a wide variety of skin care products, including creams, serums, and lotions, where they deliver targeted benefits. Here is an overview of the most important ones:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Antioxidants<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vitamin C<\/strong> \u2013 In its <em>ascorbic acid<\/em> form, it has antioxidant properties and evens out skin tone. A stable form (Tetrahexyldecyl Ascorbate) does not require a low pH, allowing it to enhance the effects of retinol.<\/li>\n\n\n\n<li><strong>Coenzyme Q10<\/strong> \u2013 Also known as ubiquinone, it occurs naturally in every cell of the human body, which is why it is very well-tolerated. It regenerates the skin, brightens hyperpigmentation, reduces expression lines, and protects against oxidative stress. It can be safely combined with other ingredients, making it the number one universal active substance.<\/li>\n\n\n\n<li><strong>Retinol<\/strong> \u2013 This active form of Vitamin A helps reduce wrinkles by stimulating fibroblasts, improves skin texture, and brightens the complexion. It also works on acne lesions. The use of retinol always requires sun protection as it increases the skin&#8217;s sensitivity to UV.<\/li>\n\n\n\n<li><strong>Resveratrol<\/strong> \u2013 Possesses anti-inflammatory and powerful antioxidant properties. It inhibits the proliferation of epidermal cells, stimulates their differentiation, and increases skin elasticity. It can also brighten hyperpigmentation by inhibiting tyrosinase (the enzyme responsible for melanin production).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">AHA (Alpha Hydroxy Acids) and BHA (Beta Hydroxy Acids) Acids<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Salicylic Acid (BHA)<\/strong> \u2013 At concentrations up to 10%, it softens the skin; above 10%, it has a cleansing and exfoliating effect. It dissolves keratin plugs in the hair follicle, reduces sebum production, and has anti-inflammatory and antibacterial properties.<\/li>\n\n\n\n<li><strong>Lactic Acid (AHA)<\/strong> \u2013 At concentrations below 10%, it moisturises and softens the skin; at higher concentrations, it exfoliates. It can penetrate the stratum corneum.<\/li>\n\n\n\n<li><strong>Mandelic Acid (AHA)<\/strong> \u2013 Exfoliates dead cells, brightens, and has an astringent effect on enlarged pores. It is gentle enough not to cause irritation even with daily use (at recommended concentrations). Recommended for acne-prone skin.<\/li>\n\n\n\n<li><strong>Glycolic Acid (AHA)<\/strong> \u2013 Strongly exfoliates, stimulates cell renewal, increases skin elasticity, and affects skin tone. It is best used in a professional salon setting, as irritation can easily occur.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Other Ingredients<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Azelaic Acid<\/strong> \u2013 Brightens the skin, improves tone, and regulates sebum secretion. It has antibacterial and exfoliating effects (at concentrations above 10%).<\/li>\n\n\n\n<li><strong>Niacinamide<\/strong> \u2013 Brightens existing spots and inhibits the formation of new ones (acts against hyperpigmentation). It is particularly helpful for acne, which often leaves dark marks. It also combats inflammation and inhibits sebum production.<\/li>\n\n\n\n<li><strong>Unsaturated fatty acids (omega-6)<\/strong> \u2013 Particularly linoleic acid. It has a therapeutic effect on both dry skin (reducing tightness) and oily skin (inhibiting sebum secretion). Cosmetics with omega-6 moisturise (by inhibiting TEWL) and have a sebostatic effect, which helps to unblock sebaceous glands and supports acne treatment. The skin becomes smooth and soft.<\/li>\n\n\n\n<li><strong>Urea<\/strong> \u2013 At a concentration of up to 10%, it moisturises the skin due to its hygroscopic properties. Above 10%, it has anti-inflammatory, antibacterial, and exfoliating effects.<\/li>\n\n\n\n<li><strong>Hyaluronic Acid<\/strong> \u2013 This is a glycosaminoglycan that binds and stores water in the dermis (1 molecule \u2248 250 molecules of H\u2082O). Its levels decrease with age, leading to dryness, loss of elasticity, and wrinkles.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"how-to-use-active-ingredients-safely\" class=\"wp-block-heading\">How to Use Active Ingredients Safely<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The safe use of active ingredients is crucial for avoiding irritation and side effects. Your skin has a limit and can easily become over-stimulated. For this reason, applying too many products with different active ingredients can actually do more harm than good.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fundamental Safety Rules<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Less is more<\/strong> \u2013 Avoid introducing multiple active ingredients at the same time. Instead of using different product combinations day after day (as influencers often recommend), focus on one key ingredient for a minimum of 4\u20136 weeks. When you are ready to combine actives, introduce them one at a time \u2013 our guide to <a href=\"https:\/\/alexandrakubas.com\/en\/retinol-vitamin-c-niacinamide\/\">using retinol, vitamin C and niacinamide together<\/a> shows how.<\/li>\n\n\n\n<li><strong>Patience is key<\/strong> \u2013 Visible effects take time, depending on your skin&#8217;s condition, age, and external factors (climate, stress, diet). The full epidermal renewal cycle takes 30\u201340 days, so you should only assess a product&#8217;s effectiveness after this period.<\/li>\n\n\n\n<li><strong>SPF 50+ is mandatory<\/strong> \u2013 Retinoids, AHA\/BHA acids, and other photosensitising ingredients require UV protection. A lack of sun protection will lead to hyperpigmentation (often deep and difficult to remove) and a deterioration in the skin&#8217;s condition.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Adapting Your Skincare to the Seasons<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">During the autumn and winter months, when sun exposure is lower, you can introduce retinoids and higher concentrations of acids. In the summer, opt for hydrating ingredients (hyaluronic acid, urea, glycerin) and mild acids (lactic, mandelic) in low concentrations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What to Absolutely Avoid<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Retinol should not be combined with acids &#8211; they can weaken each other&#8217;s effects and increase the risk of irritation. You should also avoid products containing allergens (e.g., denatured alcohol, strong fragrances) that can intensify skin reactions. Choose hypoallergenic cosmetics and always test new products gradually.<\/p>\n\n\n\n<h2 id=\"in-conclusion\" class=\"wp-block-heading\">In Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding how active ingredients work and how to choose them is the foundation of effective skincare. Regardless of your skin type or individual concerns, the right active ingredients can significantly improve your skin&#8217;s condition. Proven substances like coenzyme Q10, hyaluronic acid, retinol, vitamin C, and niacinamide are all excellent choices. The key to success, however, lies in their conscious and safe application. This means you should always start with low concentrations, consult a dermatologist if you have sensitive skin, and combine active ingredients with an SPF 50+ sunscreen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It&#8217;s wise to combine an awareness of cosmetic trends with a critical approach &#8211; not every new launch will be right for your skin. Reach for products with proven effects and certified ingredients that respect your skin&#8217;s natural regenerative processes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">My personal favourite active ingredients are coenzyme Q10 and unsaturated fatty acids (omega-6). This is primarily due to their safety profile and complete lack of irritation. Coenzyme Q10 combines the powerful antioxidant and anti-ageing effects of retinol with an excellent safety profile. Unlike retinol, it doesn&#8217;t irritate the skin, cause photosensitivity, or lead to hyperpigmentation. Meanwhile, omega-6 fatty acids work to normalise sebaceous gland function, moisturise, and support regeneration, even in reactive skin. The result is a healthy-looking complexion. Cosmetics with these ingredients can be used all year round and at any age.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These are precisely the principles our <a href=\"https:\/\/alexandrakubas.com\/en\/product\/serumq10\/\" target=\"_blank\" rel=\"noreferrer noopener\">Serum + Q10<\/a> was built on. It contains a maximum dose of coenzyme Q10 and unsaturated fatty acids, including omega-6, as well as flavonoids and cannabinoids. It is a safe and potent serum with its efficacy proven in clinical trials.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Discover Pure Raw Rich skincare:<\/strong><\/p>\n\n\n\n<style>.ak-product-cards>.wp-block-column{align-self:stretch!important;display:flex;flex-direction:column}.ak-product-cards .stk-block-card{flex:1 1 auto;display:flex;flex-direction:column;margin-bottom:0}.ak-product-cards .stk-block-card>.stk-container{flex:1 1 auto;display:flex;flex-direction:column}.ak-product-cards .stk-block-card__content{flex:1 1 auto;display:flex;flex-direction:column}.ak-product-cards .stk-block-card__content>.stk-inner-blocks{flex:1 1 auto;display:flex;flex-direction:column}.ak-product-cards .stk-block-card__content .stk-block-button-group{margin-top:auto}.ak-product-cards .stk-block-card .stk-block-card__image{height:auto!important;aspect-ratio:1\/1}.ak-product-cards .stk-block-card .stk-block-card__image img{object-fit:contain!important;object-position:50% 50%!important;width:100%;height:100%}.ak-product-cards .stk-block-card .stk-block-card__content{padding:20px 16px!important}.ak-product-cards .stk-block-card .stk-block-subtitle__text{font-size:14px!important;line-height:1.5!important;word-break:normal!important;overflow-wrap:normal!important;hyphens:manual!important}.ak-product-cards .stk-block-card .stk-button{padding-left:16px!important;padding-right:16px!important}.ak-product-cards .stk-block-card .stk-block-button-group .stk-button-group,.ak-product-cards .stk-block-card .stk-block-button,.ak-product-cards .stk-block-card .stk-button{width:100%}.ak-product-cards .stk-block-card .stk-button{justify-content:center;padding-left:8px!important;padding-right:8px!important}.ak-product-cards .stk-block-card .stk-button__inner-text{white-space:nowrap;font-size:14px!important}<\/style>\n\n\n\n<div class=\"wp-block-columns ak-product-cards is-layout-flex wp-container-core-columns-is-layout-995f960e wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<div class=\"wp-block-stackable-card stk-block-card stk-block stk-6918a0d is-style-default\" data-v=\"2\" data-block-id=\"6918a0d\"><style>.stk-6918a0d {opacity:1 !important;}.stk-6918a0d .stk-block-card__image{height:249px !important;}.stk-6918a0d .stk-block-card__image img{transform:scale(1) !important;object-position:56.00000000000001% 73% !important;}<\/style><div class=\"stk--no-padding stk-container stk-6918a0d-container stk-hover-parent\"><figure class=\"stk-block-card__image stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-6342\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1.jpg\" width=\"2048\" height=\"2048\" alt=\"Gentle Gel - gentle face wash\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1.jpg 2048w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1-300x300.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1-1024x1024.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1-150x150.jpg 150w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1-768x768.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1-1536x1536.jpg 1536w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1-600x600.jpg 600w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1-800x800.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1-100x100.jpg 100w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/06\/GENTLE-GEL_1-50x50.jpg 50w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><\/figure><div class=\"stk-container-padding stk-block-card__content\"><div class=\"stk-block-content stk-inner-blocks stk-6918a0d-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-729bf1a\" id=\"crea\" data-block-id=\"729bf1a\"><style>.stk-729bf1a {margin-bottom:6px !important;}<\/style><p class=\"stk-block-heading__text has-text-color\"><strong>Gentle Gel<\/strong><\/p><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">500 ml<\/p>\n\n\n\n<div class=\"wp-block-stackable-subtitle stk-block-subtitle stk-block stk-79374c9\" data-block-id=\"79374c9\"><p class=\"stk-block-subtitle__text stk-subtitle\">Gentle cleansing with prebiotics and a chelating agent<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-37225cf\" data-block-id=\"37225cf\"><div class=\"stk-row stk-inner-blocks has-text-align-center stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button has-text-align-center stk-block stk-e4f838b\" data-block-id=\"e4f838b\"><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/alexandrakubas.com\/en\/product\/gentle-gel\/\"><span class=\"stk-button__inner-text\">  View Gentle Gel  <\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<div class=\"wp-block-stackable-card alignfull stk-block-card stk-block stk-2724130 is-style-default\" data-v=\"2\" data-block-id=\"2724130\"><style>.stk-2724130 .stk-block-card__image{height:249px !important;}<\/style><div class=\"stk--no-padding stk-container stk-2724130-container stk-hover-parent\"><figure class=\"stk-block-card__image stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-4391\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB.jpg\" width=\"2048\" height=\"2048\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB.jpg 2048w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB-300x300.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB-1024x1024.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB-150x150.jpg 150w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB-768x768.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB-1536x1536.jpg 1536w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB-600x600.jpg 600w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB-800x800.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB-100x100.jpg 100w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SMOOTHING-CLEANSER-AOB-50x50.jpg 50w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><\/figure><div class=\"stk-container-padding stk-block-card__content\"><div class=\"stk-block-content stk-inner-blocks stk-2724130-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-9b2c77e\" id=\"smo\" data-block-id=\"9b2c77e\"><style>.stk-9b2c77e {margin-bottom:6px !important;}<\/style><p class=\"stk-block-heading__text has-text-color\"><strong>Smoothing Cleanser<\/strong><\/p><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">50 ml<\/p>\n\n\n\n<div class=\"wp-block-stackable-subtitle stk-block-subtitle stk-block stk-1de9832\" data-block-id=\"1de9832\"><p class=\"stk-block-subtitle__text stk-subtitle\">Hydrates, softens and smooths<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-968b836\" data-block-id=\"968b836\"><div class=\"stk-row stk-inner-blocks has-text-align-center stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-c980d30\" data-block-id=\"c980d30\"><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/alexandrakubas.com\/en\/product\/smoothing-cleanser-en\/\"><span class=\"stk-button__inner-text\">View Cleanser<\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<div class=\"wp-block-stackable-card stk-block-card stk-block stk-eafb0fe is-style-default\" data-v=\"2\" data-block-id=\"eafb0fe\"><style>.stk-eafb0fe {opacity:1 !important;}.stk-eafb0fe .stk-block-card__image{height:249px !important;}.stk-eafb0fe .stk-block-card__image img{transform:scale(1) !important;object-position:56.00000000000001% 73% !important;}<\/style><div class=\"stk--no-padding stk-container stk-eafb0fe-container stk-hover-parent\"><figure class=\"stk-block-card__image stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-4399\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB.jpg\" width=\"2048\" height=\"2048\" alt=\"Cream - face cream\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB.jpg 2048w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB-300x300.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB-1024x1024.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB-150x150.jpg 150w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB-768x768.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB-1536x1536.jpg 1536w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB-600x600.jpg 600w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB-800x800.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB-100x100.jpg 100w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-CREAM-50-AOB-50x50.jpg 50w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><\/figure><div class=\"stk-container-padding stk-block-card__content\"><div class=\"stk-block-content stk-inner-blocks stk-eafb0fe-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-ba30c1e\" id=\"crea\" data-block-id=\"ba30c1e\"><style>.stk-ba30c1e {margin-bottom:6px !important;}<\/style><p class=\"stk-block-heading__text has-text-color\"><strong>Cream<\/strong><\/p><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">50 ml<\/p>\n\n\n\n<div class=\"wp-block-stackable-subtitle stk-block-subtitle stk-block stk-d46d6cc\" data-block-id=\"d46d6cc\"><p class=\"stk-block-subtitle__text stk-subtitle\">Supports the skin\u2019s self-regeneration<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-0feb192\" data-block-id=\"0feb192\"><div class=\"stk-row stk-inner-blocks has-text-align-center stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button has-text-align-center stk-block stk-da1a178\" data-block-id=\"da1a178\"><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/alexandrakubas.com\/en\/product\/cream-en\/\"><span class=\"stk-button__inner-text\">  View Cream  <\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<div class=\"wp-block-stackable-card stk-block-card stk-block stk-7faf1c7 is-style-default\" data-v=\"2\" data-block-id=\"7faf1c7\"><style>.stk-7faf1c7 .stk-block-card__image{height:249px !important;}<\/style><div class=\"stk--no-padding stk-container stk-7faf1c7-container stk-hover-parent\"><figure class=\"stk-block-card__image stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-4401\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB.jpg\" width=\"2048\" height=\"2048\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB.jpg 2048w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB-300x300.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB-1024x1024.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB-150x150.jpg 150w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB-768x768.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB-1536x1536.jpg 1536w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB-600x600.jpg 600w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB-800x800.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB-100x100.jpg 100w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2025\/06\/1-SERUM-AOB-50x50.jpg 50w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><\/figure><div class=\"stk-container-padding stk-block-card__content\"><div class=\"stk-block-content stk-inner-blocks stk-7faf1c7-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-e275428\" id=\"strong-serum-q-10-strong\" data-block-id=\"e275428\"><style>.stk-e275428 {margin-bottom:6px !important;}<\/style><p class=\"stk-block-heading__text has-text-color\"><strong>Serum + Q10<\/strong><\/p><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">30 ml<\/p>\n\n\n\n<div class=\"wp-block-stackable-subtitle stk-block-subtitle stk-block stk-a6c76d0\" data-block-id=\"a6c76d0\"><p class=\"stk-block-subtitle__text stk-subtitle\">Antioxidant serum with omega fatty acids and coenzyme Q10<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-b7790ae\" data-block-id=\"b7790ae\"><div class=\"stk-row stk-inner-blocks has-text-align-center stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button has-text-align-center stk-block stk-9811a84\" data-block-id=\"9811a84\"><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/alexandrakubas.com\/en\/product\/serumq10\/\"><span class=\"stk-button__inner-text\">  View Serum  <\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Aleksandra Kubas-Maliszewska<\/em><\/strong><\/p>\n\n\n        <div class=\"wpo-gr-form-wrapper-v2\">\n            <div class=\"wpo-gr-form-inner-v2\">\n                <h3 class=\"wpo-gr-headline-v2\">Join the Pure Raw Rich newsletter<\/h3>\n\n                <div class=\"wpo-gr-copy-v2\">\n                    <p>Evidence-based skincare tips from a cosmetic scientist, straight to your inbox.<\/p>\n                <\/div>\n\n                <div class=\"wpo-gr-panel-v2\">\n                    <p class=\"wpo-gr-note-v2\">I\u2019m a cosmetic scientist and the founder of Pure Raw Rich.<\/p>\n\n                    <form class=\"wpo-gr-form wpo-gr-form-v2\">\n                        <p class=\"wpo-gr-field wpo-gr-field-v2\">\n                            <input\n                                type=\"email\"\n                                name=\"email\"\n                                class=\"wpo-gr-input wpo-gr-input-v2\"\n                                placeholder=\"Sign up for the newsletter\"\n                                required\n                            >\n\n                            <button type=\"submit\" class=\"wpo-gr-button wpo-gr-button-v2\">\n                                JOIN US                            <\/button>\n                        <\/p>\n\n                        <p class=\"wpo-gr-field wpo-gr-checkbox wpo-gr-checkbox-v2\">\n                            <label>\n                                <input type=\"checkbox\" name=\"consent\" required>\n                                <span>By continuing, you accept the privacy policy<\/span>\n                            <\/label>\n                        <\/p>\n\n                        <div class=\"wpo-gr-messages\"><\/div>\n                    <\/form>\n                <\/div>\n            <\/div>\n        <\/div>\n        \n\n\n\n<h2 id=\"frequently-asked-questions-faq\" class=\"wp-block-heading\">Frequently Asked Questions (FAQ)<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1791706999010\"><strong class=\"schema-faq-question\">What are examples of active ingredients in skincare?<\/strong> <p class=\"schema-faq-answer\">Key active ingredients include hyaluronic acid, retinol and ceramides, as well as niacinamide (vitamin B3), antioxidants and AHA and BHA acids. They can significantly improve the skin&#8217;s condition, provided they meet its current needs.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1791706999017\"><strong class=\"schema-faq-question\">How do I choose active ingredients for my skin?<\/strong> <p class=\"schema-faq-answer\">It depends on your skin type, your skincare goals and the other substances in a product&#8217;s formula. Both dry and oily skin can be dehydrated, but they react differently: oily skin overproduces sebum to defend itself, while dry skin doesn&#8217;t produce enough of its own lipids. In both cases hydration and a strong hydrolipid barrier come first.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1791706999025\"><strong class=\"schema-faq-question\">How do you use active ingredients safely?<\/strong> <p class=\"schema-faq-answer\">Less is more: introduce one key ingredient at a time and use it for at least 4\u20136 weeks. The full epidermal renewal cycle takes 30\u201340 days, so only assess a product after that period. Retinoids, AHA\/BHA acids and other photosensitising ingredients require SPF 50+.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1791706999032\"><strong class=\"schema-faq-question\">Which active ingredients should not be combined?<\/strong> <p class=\"schema-faq-answer\">Retinol should not be combined with acids \u2013 they can weaken each other&#8217;s effects and increase the risk of irritation. It&#8217;s also best to avoid products with allergens such as denatured alcohol or strong fragrances, choose hypoallergenic cosmetics and introduce new products gradually.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Active Ingredients in Cosmetics: How to Choose the Best for Your Skin? Published: 29.04.2025 | Updated: 21.06.2025 | Reading time approx. 15 min. Active ingredients in cosmetics are the substances that directly influence the health and appearance of your skin. They are responsible for targeted actions such as moisturising, reducing wrinkles, soothing irritation, and addressing [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":7419,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[59,146],"tags":[],"class_list":["post-2661","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-en","category-cosmetic-ingredients"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Key Active Ingredients in Skincare: What You Need to Know<\/title>\n<meta name=\"description\" content=\"Unlock radiant skin with our expert guide to active ingredients. 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Studiowa\u0142a chemi\u0119 kosmetyczn\u0105 na Wydziale In\u017cynierii Warszawskiej Akademii Medyczno-Technicznej Nauk Stosowanych. Recenzentka artyku\u0142\u00f3w popularnonaukowych w czasopi\u015bmie Aesthetic Cosmetology and Medicine."},{"@type":"Question","@id":"https:\/\/alexandrakubas.com\/en\/key-active-ingredients-in-skincare-what-you-need-to-know\/#faq-question-1791706999010","position":1,"url":"https:\/\/alexandrakubas.com\/en\/key-active-ingredients-in-skincare-what-you-need-to-know\/#faq-question-1791706999010","name":"What are examples of active ingredients in skincare?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Key active ingredients include hyaluronic acid, retinol and ceramides, as well as niacinamide (vitamin B3), antioxidants and AHA and BHA acids. They can significantly improve the skin's condition, provided they meet its current needs.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/alexandrakubas.com\/en\/key-active-ingredients-in-skincare-what-you-need-to-know\/#faq-question-1791706999017","position":2,"url":"https:\/\/alexandrakubas.com\/en\/key-active-ingredients-in-skincare-what-you-need-to-know\/#faq-question-1791706999017","name":"How do I choose active ingredients for my skin?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"It depends on your skin type, your skincare goals and the other substances in a product's formula. Both dry and oily skin can be dehydrated, but they react differently: oily skin overproduces sebum to defend itself, while dry skin doesn't produce enough of its own lipids. In both cases hydration and a strong hydrolipid barrier come first.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/alexandrakubas.com\/en\/key-active-ingredients-in-skincare-what-you-need-to-know\/#faq-question-1791706999025","position":3,"url":"https:\/\/alexandrakubas.com\/en\/key-active-ingredients-in-skincare-what-you-need-to-know\/#faq-question-1791706999025","name":"How do you use active ingredients safely?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Less is more: introduce one key ingredient at a time and use it for at least 4\u20136 weeks. The full epidermal renewal cycle takes 30\u201340 days, so only assess a product after that period. Retinoids, AHA\/BHA acids and other photosensitising ingredients require SPF 50+.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/alexandrakubas.com\/en\/key-active-ingredients-in-skincare-what-you-need-to-know\/#faq-question-1791706999032","position":4,"url":"https:\/\/alexandrakubas.com\/en\/key-active-ingredients-in-skincare-what-you-need-to-know\/#faq-question-1791706999032","name":"Which active ingredients should not be combined?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Retinol should not be combined with acids \u2013 they can weaken each other's effects and increase the risk of irritation. It's also best to avoid products with allergens such as denatured alcohol or strong fragrances, choose hypoallergenic cosmetics and introduce new products gradually.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/posts\/2661","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/comments?post=2661"}],"version-history":[{"count":15,"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/posts\/2661\/revisions"}],"predecessor-version":[{"id":8529,"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/posts\/2661\/revisions\/8529"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/media\/7419"}],"wp:attachment":[{"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/media?parent=2661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/categories?post=2661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alexandrakubas.com\/en\/wp-json\/wp\/v2\/tags?post=2661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}