{"id":7729,"date":"2026-07-06T09:35:40","date_gmt":"2026-07-06T07:35:40","guid":{"rendered":"https:\/\/alexandrakubas.com\/?page_id=7729"},"modified":"2026-10-11T09:08:18","modified_gmt":"2026-10-11T07:08:18","slug":"about-the-author","status":"publish","type":"page","link":"https:\/\/alexandrakubas.com\/en\/autor\/about-the-author\/","title":{"rendered":"About the author"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-aa10001\" id=\"o-mnie\" data-block-id=\"aa10001\"><style>.stk-aa10001 .stk--block-align-aa10001{align-items:center !important;}.stk-aa10001 {padding-bottom:49px !important;margin-bottom:0px !important;}.stk-aa10001-column{max-width:1192px !important;min-width:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk--block-align-aa10001 stk-block-content stk-content-align stk-aa10001-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-aa10002\" data-v=\"4\" data-block-id=\"aa10002\"><style>.stk-aa10002 {max-width:596px !important;min-width:auto !important;}.stk-aa10002-container{max-width:596px !important;min-width:auto !important;}@media screen and (min-width:690px){.stk-aa10002 {flex:var(--stk-flex-grow, 1) 1 calc(59% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-aa10002-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-aa10002-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-aa10003\" data-block-id=\"aa10003\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-6215\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756.jpg\" width=\"1707\" height=\"1707\" alt=\"Aleksandra Kubas-Maliszewska\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756.jpg 1707w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756-300x300.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756-1024x1024.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756-150x150.jpg 150w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756-768x768.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756-1536x1536.jpg 1536w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756-600x600.jpg 600w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756-800x800.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756-100x100.jpg 100w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/07\/aleksandra-kubas-laboratorium-scaled-e1785421205756-50x50.jpg 50w\" sizes=\"auto, (max-width: 1707px) 100vw, 1707px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-aa10004\" data-v=\"4\" data-block-id=\"aa10004\"><style>@media screen and (min-width:690px){.stk-aa10004 {flex:var(--stk-flex-grow, 1) 1 calc(41% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-aa10004-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-aa10004-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-aa10005\" data-block-id=\"aa10005\"><style>.stk-aa10005 {margin-bottom:18px !important;}.stk-aa10005 .stk-block-text__text{font-size:17px !important;line-height:30px !important;font-weight:600 !important;}@media screen and (max-width:999px){.stk-aa10005 .stk-block-text__text{font-size:17px !important;}}<\/style><p class=\"stk-block-text__text\"><\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-aa10006\" id=\"aleksandra-kubas-maliszewska\" data-block-id=\"aa10006\"><style>.stk-aa10006 {margin-bottom:31px !important;}.stk-aa10006 .stk-block-heading__text{font-size:31px !important;color:var(u002du002dtheme-palette-color-2, #1A2967) !important;}@media screen and (max-width:999px){.stk-aa10006 .stk-block-heading__text{font-size:31px !important;}}@media screen and (max-width:689px){.stk-aa10006 .stk-block-heading__text{font-size:31px !important;}}<\/style><h2 class=\"stk-block-heading__text has-text-color\">Aleksandra Kubas-Maliszewska<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-aa10007\" data-block-id=\"aa10007\"><p class=\"stk-block-text__text\">Cosmetic scientist and creator of the Pure Raw Rich formulations, responsible for bringing them to market and for their production. She studied cosmetic chemistry at the Faculty of Engineering of the Warsaw Medical and Technical Academy of Applied Sciences and is a member of the faculty\u2019s Employers\u2019 Council.<\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-aa10008 stk-block-background\" id=\"moja-droga\" data-block-id=\"aa10008\"><style>.stk-aa10008 .stk--block-align-aa10008{align-items:center !important;}.stk-aa10008 {background-color:var(u002du002dtheme-palette-color-5, #FAFAFC) !important;padding-top:49px !important;padding-bottom:49px !important;margin-bottom:0px !important;}.stk-aa10008:before{background-color:var(u002du002dtheme-palette-color-5, #FAFAFC) !important;}.stk-aa10008-column{max-width:1192px !important;min-width:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk--block-align-aa10008 stk-block-content stk-content-align stk-aa10008-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-aa10009\" data-v=\"4\" data-block-id=\"aa10009\"><style>@media screen and (min-width:690px){.stk-aa10009 {flex:var(--stk-flex-grow, 1) 1 calc(41% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-aa10009-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-aa10009-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-aa1000a\" data-block-id=\"aa1000a\"><style>.stk-aa1000a {margin-bottom:18px !important;}.stk-aa1000a .stk-block-text__text{font-size:17px !important;line-height:30px !important;font-weight:600 !important;}@media screen and (max-width:999px){.stk-aa1000a .stk-block-text__text{font-size:17px !important;}}<\/style><p class=\"stk-block-text__text\"><\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-aa1000b\" id=\"od-problemow-do-marki\" data-block-id=\"aa1000b\"><style>.stk-aa1000b {margin-bottom:31px !important;}.stk-aa1000b .stk-block-heading__text{font-size:31px !important;color:var(u002du002dtheme-palette-color-2, #1A2967) !important;}@media screen and (max-width:999px){.stk-aa1000b .stk-block-heading__text{font-size:31px !important;}}<\/style><h2 class=\"stk-block-heading__text has-text-color\">Author and reviewer<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-aa1000c\" data-block-id=\"aa1000c\"><p class=\"stk-block-text__text\">Author of educational and popular-science articles on cosmetic ingredients, their safety and how the skin works; reviewer of popular-science articles published in the journal <strong><a href=\"https:\/\/aestheticcosmetology.com\/\" data-type=\"link\" data-id=\"https:\/\/aestheticcosmetology.com\/\">Aesthetic Cosmetology and Medicine.<\/a><\/strong><\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-aa1000d\" data-v=\"4\" data-block-id=\"aa1000d\"><style>.stk-aa1000d {max-width:596px !important;min-width:auto !important;}.stk-aa1000d-container{max-width:596px !important;min-width:auto !important;}@media screen and (min-width:690px){.stk-aa1000d {flex:var(--stk-flex-grow, 1) 1 calc(59% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-aa1000d-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-aa1000d-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-aa1000e\" data-block-id=\"aa1000e\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-6627\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/09\/cert_rec_Aleksandra-Kubas-Maliszewska1.jpg.jpeg\" width=\"2000\" height=\"1414\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/09\/cert_rec_Aleksandra-Kubas-Maliszewska1.jpg.jpeg 2000w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/09\/cert_rec_Aleksandra-Kubas-Maliszewska1.jpg-300x212.jpeg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/09\/cert_rec_Aleksandra-Kubas-Maliszewska1.jpg-1024x724.jpeg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/09\/cert_rec_Aleksandra-Kubas-Maliszewska1.jpg-768x543.jpeg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/09\/cert_rec_Aleksandra-Kubas-Maliszewska1.jpg-1536x1086.jpeg 1536w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/09\/cert_rec_Aleksandra-Kubas-Maliszewska1.jpg-800x566.jpeg 800w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-aa1001d\" id=\"artykuly\" data-block-id=\"aa1001d\"><style>.stk-aa1001d {margin-top:49px !important;margin-bottom:31px !important;}.stk-aa1001d .stk-block-heading__text{font-size:31px !important;color:var(u002du002dtheme-palette-color-2, #1A2967) !important;}@media screen and (max-width:999px){.stk-aa1001d .stk-block-heading__text{font-size:31px !important;}}<\/style><h2 class=\"stk-block-heading__text has-text-color\">Articles<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-d979fab\" data-block-id=\"d979fab\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-d979fab-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-2a6fd87\" data-v=\"4\" data-block-id=\"2a6fd87\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-2a6fd87-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-2a6fd87-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-8842689\" data-block-id=\"8842689\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-8842689-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-d99c078\" data-v=\"4\" data-block-id=\"d99c078\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-d99c078-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-d99c078-inner-blocks\"><div class=\"author-page-posts wp-block-blocksy-query\" data-id=\"aa10001e\"><div class=\"ct-posts-block\" data-prefix=\"blog\"><div class=\"entries\" data-archive=\"default\" data-layout=\"grid\" data-cards=\"simple\"><article class=\"entry-card card-content post-6004 post type-post status-publish format-standard has-post-thumbnail hentry category-blog-en category-cosmetic-ingredients\" data-reveal=\"bottom:no\"><a class=\"ct-media-container\" href=\"https:\/\/alexandrakubas.com\/en\/azelaic-acid-in-at-home-skincare-acne-rosacea-pigmentation-and-sensitive-skin\/\" aria-label=\"Azelaic Acid in At-Home Skincare: Acne, Rosacea, Pigmentation and Sensitive Skin\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/azelaic-acid-at-home-skincare-cover-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-post-image\" alt=\"Azelaic acid - structural formula of the molecule\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/azelaic-acid-at-home-skincare-cover-768x432.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/azelaic-acid-at-home-skincare-cover-300x169.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/azelaic-acid-at-home-skincare-cover-1024x576.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/azelaic-acid-at-home-skincare-cover-800x450.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/azelaic-acid-at-home-skincare-cover.jpg 1366w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" itemprop=\"image\" style=\"aspect-ratio: 4\/3;\" \/><\/a><h2 class=\"entry-title\"><a href=\"https:\/\/alexandrakubas.com\/en\/azelaic-acid-in-at-home-skincare-acne-rosacea-pigmentation-and-sensitive-skin\/\" rel=\"bookmark\">Azelaic Acid in At-Home Skincare: Acne, Rosacea, Pigmentation and Sensitive Skin<\/a><\/h2><div class=\"entry-excerpt\"><p>Table of Contents What Is Azelaic Acid? How Does It Work on the Skin? \u2013\u2026<\/p>\n<\/div><ul class=\"entry-meta\" data-type=\"label:slash\" data-id=\"Bc_4d1\" ><li class=\"meta-categories\" data-type=\"simple\"><span>In<\/span><a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/\" rel=\"tag\" class=\"ct-term-59\">Blog<\/a>, <a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/cosmetic-ingredients\/\" rel=\"tag\" class=\"ct-term-146\">Cosmetic ingredients<\/a><\/li><li class=\"meta-date\" itemprop=\"datePublished\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-03-08T08:17:04+01:00\">08\/03\/2026<\/time><\/li><li class=\"meta-updated-date\" itemprop=\"dateModified\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-10-10T23:37:59+02:00\">10\/10\/2026<\/time><\/li><\/ul><\/article><article class=\"entry-card card-content post-5980 post type-post status-publish format-standard has-post-thumbnail hentry category-blog-en category-sensitive-skin-eczema-rosacea\" data-reveal=\"bottom:no\"><a class=\"ct-media-container\" href=\"https:\/\/alexandrakubas.com\/en\/rosacea-skincare-a-complete-routine-guide-for-redness-prone-skin\/\" aria-label=\"Rosacea Skincare: A Complete Routine Guide for Redness-Prone Skin\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/rosacea-skincare-cover-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-post-image\" alt=\"Rosacea - redness and bumps on the cheek\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/rosacea-skincare-cover-768x432.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/rosacea-skincare-cover-300x169.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/rosacea-skincare-cover-1024x576.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/rosacea-skincare-cover-800x450.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/rosacea-skincare-cover.jpg 1366w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" itemprop=\"image\" style=\"aspect-ratio: 4\/3;\" \/><\/a><h2 class=\"entry-title\"><a href=\"https:\/\/alexandrakubas.com\/en\/rosacea-skincare-a-complete-routine-guide-for-redness-prone-skin\/\" rel=\"bookmark\">Rosacea Skincare: A Complete Routine Guide for Redness-Prone Skin<\/a><\/h2><div class=\"entry-excerpt\"><p>Published: 20.02.2026 | Updated: 18.06.2026 | Reading time approx. 10 min. Rosacea \u2014 also known\u2026<\/p>\n<\/div><ul class=\"entry-meta\" data-type=\"label:slash\" data-id=\"Bc_4d1\" ><li class=\"meta-categories\" data-type=\"simple\"><span>In<\/span><a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/\" rel=\"tag\" class=\"ct-term-59\">Blog<\/a>, <a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/sensitive-skin-eczema-rosacea\/\" rel=\"tag\" class=\"ct-term-145\">Sensitive skin, eczema &amp; rosacea<\/a><\/li><li class=\"meta-date\" itemprop=\"datePublished\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-02-20T15:50:31+01:00\">20\/02\/2026<\/time><\/li><li class=\"meta-updated-date\" itemprop=\"dateModified\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-10-11T10:23:33+02:00\">11\/10\/2026<\/time><\/li><\/ul><\/article><article class=\"entry-card card-content post-5917 post type-post status-publish format-standard has-post-thumbnail hentry category-acne category-blog-en\" data-reveal=\"bottom:no\"><a class=\"ct-media-container\" href=\"https:\/\/alexandrakubas.com\/en\/niacinamide-vitamin-b3-skin-benefits-properties-and-how-to-use-it-in-skincare\/\" aria-label=\"Niacinamide (Vitamin B3) \u2013 Skin Benefits, Properties and How to Use It in Skincare\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/niacinamide-cover-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-post-image\" alt=\"Niacinamide (vitamin B3) - structural formula of the molecule\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/niacinamide-cover-768x432.jpg 768w, 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-800x450.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/niacinamide-cover.jpg 1366w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" itemprop=\"image\" style=\"aspect-ratio: 4\/3;\" \/><\/a><h2 class=\"entry-title\"><a href=\"https:\/\/alexandrakubas.com\/en\/niacinamide-vitamin-b3-skin-benefits-properties-and-how-to-use-it-in-skincare\/\" rel=\"bookmark\">Niacinamide (Vitamin B3) \u2013 Skin Benefits, Properties and How to Use It in Skincare<\/a><\/h2><div class=\"entry-excerpt\"><p>Published: 18.02.2026 | Updated: 16.06.2026 | Reading time approx. 15 min. Niacinamide \u2014 also called\u2026<\/p>\n<\/div><ul class=\"entry-meta\" data-type=\"label:slash\" data-id=\"Bc_4d1\" ><li class=\"meta-categories\" data-type=\"simple\"><span>In<\/span><a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/acne\/\" rel=\"tag\" class=\"ct-term-144\">Acne<\/a>, <a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/\" rel=\"tag\" class=\"ct-term-59\">Blog<\/a><\/li><li class=\"meta-date\" itemprop=\"datePublished\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-02-18T10:31:20+01:00\">18\/02\/2026<\/time><\/li><li class=\"meta-updated-date\" itemprop=\"dateModified\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-10-11T09:46:35+02:00\">11\/10\/2026<\/time><\/li><\/ul><\/article><article class=\"entry-card card-content post-5004 post type-post status-publish format-standard has-post-thumbnail hentry category-acne category-blog-en\" data-reveal=\"bottom:no\"><a class=\"ct-media-container\" href=\"https:\/\/alexandrakubas.com\/en\/hormonal-acne-causes-symptoms-treatment-and-skincare\/\" aria-label=\"Hormonal Acne: Causes, Symptoms, Treatment and Skincare\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/hormonal-acne-cover-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-post-image\" alt=\"Hormonal acne - breakouts on the cheek and jaw\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/hormonal-acne-cover-768x432.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/hormonal-acne-cover-300x169.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/hormonal-acne-cover-1024x576.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/hormonal-acne-cover-800x450.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/hormonal-acne-cover.jpg 1366w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" itemprop=\"image\" style=\"aspect-ratio: 4\/3;\" \/><\/a><h2 class=\"entry-title\"><a href=\"https:\/\/alexandrakubas.com\/en\/hormonal-acne-causes-symptoms-treatment-and-skincare\/\" rel=\"bookmark\">Hormonal Acne: Causes, Symptoms, Treatment and Skincare<\/a><\/h2><div class=\"entry-excerpt\"><p>Published: 16.02.2026 | Updated: 24.02.2026 | Reading time approx. 12 min. Hormonal acne (often called\u2026<\/p>\n<\/div><ul class=\"entry-meta\" data-type=\"label:slash\" data-id=\"Bc_4d1\" ><li class=\"meta-categories\" data-type=\"simple\"><span>In<\/span><a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/acne\/\" rel=\"tag\" class=\"ct-term-144\">Acne<\/a>, <a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/\" rel=\"tag\" class=\"ct-term-59\">Blog<\/a><\/li><li class=\"meta-date\" itemprop=\"datePublished\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-02-16T13:40:55+01:00\">16\/02\/2026<\/time><\/li><li class=\"meta-updated-date\" itemprop=\"dateModified\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-10-11T10:06:04+02:00\">11\/10\/2026<\/time><\/li><\/ul><\/article><article class=\"entry-card card-content post-5065 post type-post status-publish format-standard has-post-thumbnail hentry category-acne category-blog-en\" data-reveal=\"bottom:no\"><a class=\"ct-media-container\" href=\"https:\/\/alexandrakubas.com\/en\/back-acne-treatment-what-causes-bacne-what-helps-when-to-see-a-gp\/\" aria-label=\"Back Acne Treatment: what causes bacne, what helps &amp; when to see a GP\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/back-acne-cover-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-post-image\" alt=\"Back acne - spots and marks on the back\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/back-acne-cover-768x432.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/back-acne-cover-300x169.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/back-acne-cover-1024x576.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/back-acne-cover-800x450.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/back-acne-cover.jpg 1366w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" itemprop=\"image\" style=\"aspect-ratio: 4\/3;\" \/><\/a><h2 class=\"entry-title\"><a href=\"https:\/\/alexandrakubas.com\/en\/back-acne-treatment-what-causes-bacne-what-helps-when-to-see-a-gp\/\" rel=\"bookmark\">Back Acne Treatment: what causes bacne, what helps &amp; when to see a GP<\/a><\/h2><div class=\"entry-excerpt\"><p>Published: 14.02.2026 | Updated: 1.03.2026 | Reading time approx. 15 min. Let\u2019s start with the\u2026<\/p>\n<\/div><ul class=\"entry-meta\" data-type=\"label:slash\" data-id=\"Bc_4d1\" ><li class=\"meta-categories\" data-type=\"simple\"><span>In<\/span><a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/acne\/\" rel=\"tag\" class=\"ct-term-144\">Acne<\/a>, <a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/\" rel=\"tag\" class=\"ct-term-59\">Blog<\/a><\/li><li class=\"meta-date\" itemprop=\"datePublished\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-02-14T09:34:34+01:00\">14\/02\/2026<\/time><\/li><li class=\"meta-updated-date\" itemprop=\"dateModified\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-10-11T10:23:29+02:00\">11\/10\/2026<\/time><\/li><\/ul><\/article><article class=\"entry-card card-content post-5049 post type-post status-publish format-standard has-post-thumbnail hentry category-acne category-blog-en\" data-reveal=\"bottom:no\"><a class=\"ct-media-container\" href=\"https:\/\/alexandrakubas.com\/en\/chest-acne-how-to-get-rid-of-spots-on-your-chest-for-good\/\" aria-label=\"Chest Acne: How to Get Rid of Spots on Your Chest for Good\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/chest-acne-cover-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-post-image\" alt=\"Chest acne - spots on the d\u00e9colletage\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/chest-acne-cover-768x432.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/chest-acne-cover-300x169.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/chest-acne-cover-1024x576.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/chest-acne-cover-800x450.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/chest-acne-cover.jpg 1366w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" itemprop=\"image\" style=\"aspect-ratio: 4\/3;\" \/><\/a><h2 class=\"entry-title\"><a href=\"https:\/\/alexandrakubas.com\/en\/chest-acne-how-to-get-rid-of-spots-on-your-chest-for-good\/\" rel=\"bookmark\">Chest Acne: How to Get Rid of Spots on Your Chest for Good<\/a><\/h2><div class=\"entry-excerpt\"><p>Published: 12.02.2026 | Updated: 28.02.2026 | Reading time approx. 10 min. The mechanism behind chest\u2026<\/p>\n<\/div><ul class=\"entry-meta\" data-type=\"label:slash\" data-id=\"Bc_4d1\" ><li class=\"meta-categories\" data-type=\"simple\"><span>In<\/span><a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/acne\/\" rel=\"tag\" class=\"ct-term-144\">Acne<\/a>, <a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/\" rel=\"tag\" class=\"ct-term-59\">Blog<\/a><\/li><li class=\"meta-date\" itemprop=\"datePublished\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-02-12T21:39:43+01:00\">12\/02\/2026<\/time><\/li><li class=\"meta-updated-date\" itemprop=\"dateModified\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-10-14T16:41:23+02:00\">14\/10\/2026<\/time><\/li><\/ul><\/article><article class=\"entry-card card-content post-6211 post type-post status-publish format-standard has-post-thumbnail hentry category-blog-en category-cosmetic-ingredients\" data-reveal=\"bottom:no\"><a class=\"ct-media-container\" href=\"https:\/\/alexandrakubas.com\/en\/coenzyme-q10-coq10-the-science-backed-skin-benefits-you-need-to-know\/\" aria-label=\"Coenzyme Q10 (CoQ10): The Science-Backed Skin Benefits You Need to Know\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/coenzyme-q10-cover-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-post-image\" alt=\"Coenzyme Q10 (ubiquinone) - structural formula of the molecule\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/coenzyme-q10-cover-768x432.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/coenzyme-q10-cover-300x169.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/coenzyme-q10-cover-1024x576.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/coenzyme-q10-cover-800x450.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/coenzyme-q10-cover.jpg 1366w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" itemprop=\"image\" style=\"aspect-ratio: 4\/3;\" \/><\/a><h2 class=\"entry-title\"><a href=\"https:\/\/alexandrakubas.com\/en\/coenzyme-q10-coq10-the-science-backed-skin-benefits-you-need-to-know\/\" rel=\"bookmark\">Coenzyme Q10 (CoQ10): The Science-Backed Skin Benefits You Need to Know<\/a><\/h2><div class=\"entry-excerpt\"><p>Published: 4.09.2025 | Updated: 30.07.2026 | Reading time approx. 4 min. Good skincare today goes\u2026<\/p>\n<\/div><ul class=\"entry-meta\" data-type=\"label:slash\" data-id=\"Bc_4d1\" ><li class=\"meta-categories\" data-type=\"simple\"><span>In<\/span><a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/\" rel=\"tag\" class=\"ct-term-59\">Blog<\/a>, <a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/cosmetic-ingredients\/\" rel=\"tag\" class=\"ct-term-146\">Cosmetic ingredients<\/a><\/li><li class=\"meta-date\" itemprop=\"datePublished\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2025-09-04T11:35:53+02:00\">04\/09\/2025<\/time><\/li><li class=\"meta-updated-date\" itemprop=\"dateModified\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-10-11T10:23:36+02:00\">11\/10\/2026<\/time><\/li><\/ul><\/article><article class=\"entry-card card-content post-4378 post type-post status-publish format-standard has-post-thumbnail hentry category-blog-en category-pregnancy-breastfeeding\" data-reveal=\"bottom:no\"><a class=\"ct-media-container\" href=\"https:\/\/alexandrakubas.com\/en\/pregnancy-safe-skincare-guide-which-ingredients-to-avoid-what-to-use-instead\/\" aria-label=\"Pregnancy safe skincare guide: which ingredients to avoid &amp; what to use instead\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/pregnancy-safe-skincare-cover-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-post-image\" alt=\"Pregnancy-safe skincare - applying lotion to a pregnant belly\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/pregnancy-safe-skincare-cover-768x432.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/pregnancy-safe-skincare-cover-300x169.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/pregnancy-safe-skincare-cover-1024x576.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/pregnancy-safe-skincare-cover-800x450.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/pregnancy-safe-skincare-cover.jpg 1366w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" itemprop=\"image\" style=\"aspect-ratio: 4\/3;\" \/><\/a><h2 class=\"entry-title\"><a href=\"https:\/\/alexandrakubas.com\/en\/pregnancy-safe-skincare-guide-which-ingredients-to-avoid-what-to-use-instead\/\" rel=\"bookmark\">Pregnancy safe skincare guide: which ingredients to avoid &amp; what to use instead<\/a><\/h2><div class=\"entry-excerpt\"><p>Published: 7.06.2025 | Updated: 7.12.2025 | Reading time approx. 17 min. When you&#8217;re expecting, your\u2026<\/p>\n<\/div><ul class=\"entry-meta\" data-type=\"label:slash\" data-id=\"Bc_4d1\" ><li class=\"meta-categories\" data-type=\"simple\"><span>In<\/span><a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/\" rel=\"tag\" class=\"ct-term-59\">Blog<\/a>, <a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/pregnancy-breastfeeding\/\" rel=\"tag\" class=\"ct-term-149\">Pregnancy &amp; breastfeeding<\/a><\/li><li class=\"meta-date\" itemprop=\"datePublished\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2025-06-07T21:24:49+02:00\">07\/06\/2025<\/time><\/li><li class=\"meta-updated-date\" itemprop=\"dateModified\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-10-10T23:38:21+02:00\">10\/10\/2026<\/time><\/li><\/ul><\/article><article class=\"entry-card card-content post-3241 post type-post status-publish format-standard has-post-thumbnail hentry category-blog-en category-cosmetic-safety\" data-reveal=\"bottom:no\"><a class=\"ct-media-container\" href=\"https:\/\/alexandrakubas.com\/en\/are-natural-cosmetics-safer-5-myths-debunked\/\" aria-label=\"Are Natural Cosmetics Safer? 5 Myths Debunked\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/natural-cosmetics-5-myths-cover-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-post-image\" alt=\"5 myths about natural cosmetics\" srcset=\"https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/natural-cosmetics-5-myths-cover-768x432.jpg 768w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/natural-cosmetics-5-myths-cover-300x169.jpg 300w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/natural-cosmetics-5-myths-cover-1024x576.jpg 1024w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/natural-cosmetics-5-myths-cover-800x450.jpg 800w, https:\/\/alexandrakubas.com\/wp-content\/uploads\/2026\/10\/natural-cosmetics-5-myths-cover.jpg 1366w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" itemprop=\"image\" style=\"aspect-ratio: 4\/3;\" \/><\/a><h2 class=\"entry-title\"><a href=\"https:\/\/alexandrakubas.com\/en\/are-natural-cosmetics-safer-5-myths-debunked\/\" rel=\"bookmark\">Are Natural Cosmetics Safer? 5 Myths Debunked<\/a><\/h2><div class=\"entry-excerpt\"><p>Published: 28.05.2025 | Updated: 3.08.2025 | Reading time approx. 10 min. The natural cosmetics market\u2026<\/p>\n<\/div><ul class=\"entry-meta\" data-type=\"label:slash\" data-id=\"Bc_4d1\" ><li class=\"meta-categories\" data-type=\"simple\"><span>In<\/span><a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/\" rel=\"tag\" class=\"ct-term-59\">Blog<\/a>, <a href=\"https:\/\/alexandrakubas.com\/en\/category\/blog-en\/cosmetic-safety\/\" rel=\"tag\" class=\"ct-term-148\">Cosmetic safety<\/a><\/li><li class=\"meta-date\" itemprop=\"datePublished\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2025-05-28T22:42:41+02:00\">28\/05\/2025<\/time><\/li><li class=\"meta-updated-date\" itemprop=\"dateModified\"><span>On<\/span><time class=\"ct-meta-element-date\" datetime=\"2026-10-11T10:23:22+02:00\">11\/10\/2026<\/time><\/li><\/ul><\/article><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Aleksandra Kubas-Maliszewska Cosmetic scientist and creator of the Pure Raw Rich formulations, responsible for bringing them to market and for their production. She studied cosmetic chemistry at the Faculty of Engineering of the Warsaw Medical and Technical Academy of Applied Sciences and is a member of the faculty\u2019s Employers\u2019 Council. Author and reviewer Author of [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-7729","page","type-page","status-publish","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>About the author - Alexandra Kubas<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alexandrakubas.com\/en\/autor\/about-the-author\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"About the author - Alexandra Kubas\" \/>\n<meta property=\"og:description\" content=\"Aleksandra Kubas-Maliszewska Cosmetic scientist and creator of the Pure Raw Rich formulations, responsible for bringing them to market and for their production. She studied cosmetic chemistry at the Faculty of Engineering of the Warsaw Medical and Technical Academy of Applied Sciences and is a member of the faculty\u2019s Employers\u2019 Council. 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