{"id":229421,"date":"2026-06-20T09:39:38","date_gmt":"2026-06-20T07:39:38","guid":{"rendered":"https:\/\/www.parisselectbook.com\/2026\/06\/20\/a-dermatologist-warns-about-these-three-ingredients-commonly-found-in-face-creams-which-he-is-monitoring-closely\/"},"modified":"2026-06-20T09:39:38","modified_gmt":"2026-06-20T07:39:38","slug":"a-dermatologist-warns-about-these-three-ingredients-commonly-found-in-face-creams-which-he-is-monitoring-closely","status":"publish","type":"post","link":"https:\/\/www.parisselectbook.com\/en\/2026\/06\/20\/a-dermatologist-warns-about-these-three-ingredients-commonly-found-in-face-creams-which-he-is-monitoring-closely\/","title":{"rendered":"A dermatologist warns about these three ingredients commonly found in face creams, which he is monitoring closely"},"content":{"rendered":"<p>Have you ever returned a product after experiencing unexplained skin irritation? This is more common than you might think, and it often points to a problem with the product\u2019s formulation. In 2026, <a href=\"https:\/\/www.parisselectbook.com\/en\/2026\/06\/18\/the-plucked-hairs-didnt-grow-back-at-all-this-dermatology-professor-warns-against-this-method-for-treating-gray-hair\/\">dermatologist<\/a> <strong>Ludovic Rousseau<\/strong> sounded the alarm about certain ingredients that are widely used in skincare products, including creams sold on every store shelf.  <\/p>\n<h2>What Dermatologists Really Look for on Cream Labels<\/h2>\n<p>Skincare has never been as big a deal as it is today. Between multi-step routines and <a href=\"https:\/\/www.parisselectbook.com\/en\/2026\/06\/17\/k-beauty-fans-this-viral-cryo-mask-on-tiktok-promises-up-to-161-more-hydration-after-just-one-use\/\">TikTok<\/a> videos about active ingredients, everyone thinks they\u2019re a bit of an expert. However, dermatologist Ludovic Rousseau reminds us in a YouTube video that one habit remains essential: checking the actual ingredients in products.  <\/p>\n<p>According to him, an effective skincare routine doesn&#8217;t depend on packaging or marketing claims. It depends on the formula and, above all, on <a href=\"https:\/\/www.parisselectbook.com\/en\/2026\/06\/17\/102-collagen-in-10-days-this-anti-aging-serum-is-a-must-have-for-mature-skin-delivering-an-immediate-lifting-effect\/\">your skin<\/a>. So, it&#8217;s not about categorizing ingredients as good or bad, but about identifying which ones cause problems based on skin type.  <\/p>\n<p>What&#8217;s more, reading an INCI list isn&#8217;t just for professionals. A few simple tips are all it takes to better assess what you&#8217;re putting on your <a href=\"https:\/\/www.parisselectbook.com\/en\/2026\/06\/18\/this-aroma-zone-serum-priced-at-e8-95-promises-a-just-back-from-the-beach-look-without-a-single-minute-of-sun-exposure\/\">face<\/a> every morning. <\/p>\n<h3>Denatured alcohol: an ingredient to keep a close eye on<\/h3>\n<p>Among the ingredients that Dr. Rousseau quickly identifies is<strong>denatured alcohol (Alcohol Denat.)<\/strong>. When this ingredient appears very high on the list, it is often present in large quantities. As a result, it can dry out or weaken the skin barrier in certain skin types.  <\/p>\n<p>This type of ingredient is found in many lightweight formulas, such as lotions and serums. However, skin that is already sensitive or dry may not tolerate it well, even in a moisturizer marketed as very gentle. <\/p>\n<blockquote><p>&#8220;The trendiest product isn&#8217;t necessarily the one that&#8217;s best for you.&#8221; \u2014 Ludovic Rousseau, dermatologist<\/p><\/blockquote>\n<h2>Fragrance and coconut oil: two popular ingredients, but not suitable for all skin types in a cream<\/h2>\n<p>The dermatologist also points to <strong>fragrances, which<\/strong> are widely used in cosmetics. They make the textures more pleasant to use. However, they are among the most common causes of contact allergies.  <\/p>\n<p>He points out a useful distinction: \u201cfragrance-free\u201d does not always mean the same thing as \u201cunscented.\u201d Thus, a cream labeled as such may contain fragrance ingredients listed under different names in the INCI list. <\/p>\n<p>Finally, he mentions<strong>coconut oil<\/strong>, which is often popular in natural skincare routines. However, it is not suitable for acne-prone skin, as it can be comedogenic for some people. <\/p>\n<ul>\n<li>Denatured alcohol (Alcohol Denat.) can weaken the skin barrier when it appears high on the INCI list.<\/li>\n<li>Perfumes (fragrances) are a common cause of contact allergies.<\/li>\n<li>The term \u201cfragrance-free\u201d does not necessarily mean \u201cunscented.\u201d<\/li>\n<li>Coconut oil can be comedogenic for acne-prone skin.<\/li>\n<li>These three ingredients are not universally problematic: skin type remains the determining factor.<\/li>\n<\/ul>\n<h3>Assets that are generally well-tolerated and should be prioritized<\/h3>\n<p>Conversely, Ludovic Rousseau cites ingredients known for their good tolerability. <strong>Niacinamide<\/strong>,<strong>hyaluronic acid<\/strong>, and <strong>panthenol<\/strong> are mentioned as useful ingredients in many skincare routines. They hydrate, soothe, and support the skin barrier.  <\/p>\n<p>These active ingredients can be found in both serums and traditional day creams. Furthermore, they are suitable for a wide range of skin types, making them a reliable choice for building a solid foundation. <\/p>\n<h2>Choose the Right Cream by Reading the Ingredients<\/h2>\n<p>Instead of following skincare trends you see on social media, it\u2019s better to understand what your skin does and doesn\u2019t tolerate. A cream that\u2019s highly praised on social media may contain ingredients that aren\u2019t suitable for your specific skin type. Therefore, marketing alone isn\u2019t enough to guarantee that a product will be well-tolerated.  <\/p>\n<p>The order of ingredients in the INCI list is also a useful indicator. As a general rule, the higher an ingredient appears on the list, the greater its concentration in the formula. Therefore, a potentially irritating active ingredient listed at the top of the list warrants attention.  <\/p>\n<p>Taking the time to read the ingredients list on a face cream is also a way to better understand your skin\u2019s reactions. This simple habit, recommended by dermatologist Ludovic Rousseau, helps you make choices that are better suited to your skin type. However, it is no substitute for a professional\u2019s advice in the event of a persistent reaction.  <\/p>\n<p>Applying a cream every day without knowing what&#8217;s in it means exposing your skin to ingredients that may not be right for it. These days, reading the label before buying a skincare product is just as important as choosing the right texture. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Have you ever returned a product after experiencing unexplained skin irritation? This is more common than you might think, and it often points to a&#8230;<\/p>\n","protected":false},"author":13,"featured_media":229157,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2685],"tags":[2574],"quartier":[],"class_list":["post-229421","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-du-luxe-en","tag-creme-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A dermatologist warns about these three ingredients commonly found in face creams, which he is monitoring closely<\/title>\n<meta name=\"description\" content=\"A dermatologist identifies three common ingredients in face creams that can irritate certain skin types.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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