{"id":442595,"date":"2026-05-27T08:00:47","date_gmt":"2026-05-27T06:00:47","guid":{"rendered":"https:\/\/www.ma-grande-taille.com\/?p=442595"},"modified":"2026-05-26T19:50:41","modified_gmt":"2026-05-26T17:50:41","slug":"personnes-rousses-auraient-avantage-unique-selon-nouvelle-etude","status":"publish","type":"post","link":"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/redheads-may-have-a-unique-advantage-according-to-a-new-study-442595","title":{"rendered":"Redheads may have a unique advantage, according to a new study."},"content":{"rendered":"<p>For a long time, people with auburn hair and freckles felt like creatures from another planet. Now, everyone envies their freckles and demands auburn dye from the hairdresser. Besides getting their revenge in the aesthetic imagination, redheads are said to possess a genetic trait. And get this: it supposedly gives them a stronger immune response to certain infections.<\/p>\n<h2> Better resistance to certain diseases?<\/h2>\n<p> Redheads have long been the target of persistent stereotypes. Too pale, too different, too striking. Their unique physical characteristic was often mocked before finally being celebrated on the catwalks, in beauty campaigns, and even in <a href=\"https:\/\/www.ma-grande-taille.com\/beaute\/conseils-astuces\/taches-de-rousseur-astuces-pour-les-mettre-en-valeur-272396\" target=\"_blank\" rel=\"noopener\">makeup trends<\/a> . After enduring such harsh criticism, they are now receiving all the accolades in the beauty world. Beyond sporting the season&#39;s most sought-after hair color, redheads also possess other, less obvious, qualities.<\/p>\n<p>Those we now call &quot;lucky,&quot; who were once accused of witchcraft, may well possess some powers. Not magical, but genetic. According to a recent <a href=\"https:\/\/hms.harvard.edu\/news\/massive-ancient-dna-study-reveals-natural-selection-has-accelerated-recent-human-evolution\" target=\"_blank\" rel=\"noopener\">study<\/a> , this trait isn&#39;t merely aesthetic. It could also be linked to certain biological advantages inherited from human evolution.<\/p>\n<p>Researchers from Harvard University and Harvard Medical School analyzed the DNA of thousands of individuals who lived over more than 10,000 years, as well as that of present-day populations living in Western Eurasia. Their goal: to understand which genes have gradually become more prevalent over the centuries due to natural selection. Among the traits that have become more common, the scientists found several variants associated with red hair and fair skin.<\/p>\n<p>What particularly intrigues researchers is that some of these genes also appear to be linked to greater resistance against certain infections. The results suggest, in particular, genetic mechanisms that could offer increased protection against diseases such as leprosy or HIV. This obviously doesn&#39;t mean that all redheads have &quot;superior&quot; immunity, nor that they are immune to disease. But it does show that certain physical traits may have been preserved because they were indirectly associated with useful biological advantages in certain environments.<\/p>\n<h2> Are redheads blessed by nature?<\/h2>\n<p> Redheads, the human counterparts of the ladybug, are beings apart. While in the Middle Ages they were associated with cauldrons and pointed hats, in the 21st century they are ambassadors of a singular, almost mystical beauty. According to this study, they seem to have been born with the entire &quot;fountain of youth package.&quot;<\/p>\n<p>However, these encouraging findings should be viewed with caution. Science remains cautious in its interpretations. Researchers point out that red hair did not necessarily become more common because it alone represented a decisive advantage. In genetics, certain traits sometimes evolve &quot;in groups,&quot; linked to other characteristics more useful for survival.<\/p>\n<p>One hypothesis suggests that fair skin is more efficient at producing vitamin D in regions with limited sunlight. In northern areas, where winters are long and sunlight is scarce, this adaptation may have favored certain populations. Red hair would then be a visible effect of a broader genetic predisposition.<\/p>\n<p>However, despite their highly reactive, translucent skin, redheads do have some skin vulnerabilities. While they may have a naturally optimized immune system, it&#39;s important to remember that they tolerate the sun poorly. They are more vulnerable to <a href=\"https:\/\/www.ma-grande-taille.com\/beaute\/soins\/comment-proteger-cheveux-exposes-soleil-shampoings-apres-soleil-352250\" target=\"_blank\" rel=\"noopener\">UV radiation<\/a> . According to another study published in the journal <a href=\"https:\/\/www.nature.com\/articles\/ncomms12064\" target=\"_blank\" rel=\"noopener\">Nature Communications<\/a> , redheads are predisposed to skin cancers, particularly melanoma.<\/p>\n<h2> A study to transform complexes into inner strength<\/h2>\n<p> For years, being a redhead often meant growing up with hurtful remarks, humiliating nicknames, or the feeling of being \u201cabnormal.\u201d Almost all redheads have, at some point in their lives, wanted to erase their distinctive feature and camouflage their shimmering red hair with more neutral dyes. Many learned to hate what was, in fact, their unique charm. Today, this study sheds an almost symbolic light on the subject. What has long been considered a flaw could, in reality, be evidence of a complex and fascinating genetic richness.<\/p>\n<p>Ultimately, this research tells a story beyond biological evolution. It reminds us that physical characteristics that deviate from the norm often reveal a much deeper story than the simple beauty standards imposed by a particular era. Red hair is not just a rare color. It is the visible trace of a long human adaptation, shaped by climate, disease, migration, and time.<\/p>\n<p>And perhaps this study also helps us to look at differences differently. No longer as anomalies to be corrected, but as precious legacies, bearers of a history that science is only beginning to understand.<\/p>\n","protected":false},"excerpt":{"rendered":"For a long time, people with auburn hair and freckles felt like creatures from another planet. Now, everyone...","protected":false},"author":8340,"featured_media":442598,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"disable_msn":false,"footnotes":""},"categories":[89445],"tags":[97833],"class_list":["post-442595","post","type-post","status-publish","format-standard","has-post-thumbnail","category-soins","tag-actu"],"image":{"medium":["https:\/\/www.ma-grande-taille.com\/wp-content\/uploads\/2026\/05\/Personnes-rousses-avantage-genetique-200x113.jpg",200,113,true],"large":["https:\/\/www.ma-grande-taille.com\/wp-content\/uploads\/2026\/05\/Personnes-rousses-avantage-genetique-500x281.jpg",500,281,true]},"custom":{"td_video":"","featured_image":"https:\/\/www.ma-grande-taille.com\/wp-content\/uploads\/2026\/05\/Personnes-rousses-avantage-genetique.jpg","author":{"name":"\u00c9milie Laurent","avatar":"https:\/\/www.ma-grande-taille.com\/wp-content\/uploads\/2023\/11\/cropped-2f5d8c00d5d5c27f8ce4d9b3f9015467-96x96.png"},"categories":[{"term_id":89445,"name":"Skincare","slug":"soins","term_group":0,"term_taxonomy_id":89617,"taxonomy":"category","description":"<p>The Skincare section of The Body Optimist helps you build simple face and body routines, understand cosmetic ingredients and protect your skin from the sun, whatever your skin tone. Dry, oily, combination, sensitive or mature skin: the focus is on comfort, skin health and informed choices, not on fighting aging.<\/p>\n<h2>What you\u2019ll find in the Skincare section<\/h2>\n<ul>\n<li><strong>Face routines<\/strong>: cleansing, moisturizing and protecting according to your skin type, with advice on <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/conseils-astuces\/which-face-cream-should-i-choose-according-to-my-skin-type-446512\">choosing a face cream for your skin type<\/a>.<\/li>\n<li><strong>Ingredients and actives<\/strong>: hyaluronic acid, niacinamide, retinol, exfoliating acids, ceramides and clays, explained in plain language.<\/li>\n<li><strong>Sun protection<\/strong>: SPF, texture and application for fair and deep skin alike, down to <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/or-store-homemade-sunscreen-simple-advice-from-a-doctor-443199\">where to store your sunscreen<\/a>.<\/li>\n<li><strong>Body care<\/strong>: dry skin, stretch marks, chafing and the <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/conseils-astuces\/this-mistake-in-the-shower-can-damage-your-skin-428383\">shower habit that can harm your skin<\/a>, covered without taboos.<\/li>\n<li><strong>Lips and hands<\/strong>: balms and soothing habits for chapped skin, and the <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/the-supposed-act-of-moisturizing-actually-weakens-the-lips-432300\">\u201cmoisturizing\u201d reflex that actually weakens lips<\/a>.<\/li>\n<li><strong>Myth-busting<\/strong>: organic labels, \u201cclean\u201d claims, ingredient-rating apps and cosmetics marketing.<\/li>\n<\/ul>\n<h2>How do you build a simple skincare routine?<\/h2>\n<p>An effective skincare routine comes down to three steps: cleanse, moisturize, protect. In the morning, use a gentle cleanser (or just rinse if your skin is dry), a moisturizer that suits you, then sunscreen. At night, cleanse to remove sunscreen and grime, then apply a cream. Choose textures for your skin type: rich formulas with ceramides or butters for dry skin, lightweight non-comedogenic ones for oily skin, and short, fragrance-free ingredient lists for sensitive skin. To add an active ingredient (retinol, glycolic acid, vitamin C), introduce one at a time, patch test it and give your skin several weeks before judging the results. Retinol and exfoliating acids are best used at night.<\/p>\n<h2>Our approach<\/h2>\n<p>We talk about skin, not \u201cflaws\u201d: wrinkles, stretch marks, visible pores and cellulite are part of life, and no cream erases them. We explain what products can actually do, beyond the marketing promises, and remind you that a persistent skin problem calls for a dermatologist, not one more product.<\/p>\n<h2>Our articles to get you started<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/dark-skin-the-criteria-that-really-matter-when-choosing-a-sunscreen-445013\">Choosing sunscreen for dark skin<\/a>: the criteria that really matter, from texture to finish.<\/li>\n<li><a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/these-100-clean-skincare-products-are-a-hit-why-is-everyone-talking-about-them-429225\">\u201cClean\u201d skincare decoded<\/a>: what the claim covers and why it appeals.<\/li>\n<li><a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/visible-spot-patches-simple-care-disguised-injunction-438437\">Visible pimple patches<\/a>: simple care or a new beauty pressure in disguise?<\/li>\n<li><a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/why-keep-beauty-samples-for-too-long-not-a-good-idea-444855\">Why you shouldn\u2019t hoard beauty samples<\/a>: storage, hygiene and shelf life of minis.<\/li>\n<\/ul>\n<h2>Frequently asked questions<\/h2>\n<h3>How can you tell if your skin is dry, oily or combination?<\/h3>\n<p>Wash your face with a gentle cleanser, apply nothing and look at it an hour or two later. Skin that feels tight or flakes is dry, shine all over points to oily skin, and shine limited to the forehead, nose and chin (the T-zone) means combination skin. Frequent redness and stinging point to sensitive skin, which can also be dry or oily.<\/p>\n<h3>Do you need sunscreen if you have dark skin?<\/h3>\n<p>Yes. Melanin offers some natural protection, but it doesn\u2019t prevent UV damage or the risk of skin cancer. Sunscreen also helps keep dark spots, a common concern on deeper skin tones, from appearing or getting darker. To avoid the white cast some mineral filters leave, look for fluid, sheer or tinted formulas.<\/p>\n<h3>What does \u201cclean\u201d mean on a beauty product?<\/h3>\n<p>\u201cClean\u201d has no regulatory definition: each brand uses it for whichever ingredients it chooses to leave out. Cosmetics are already regulated in many countries, with lists of banned or restricted substances that vary from one market to another. For a verifiable commitment, look for certified labels such as COSMOS Organic and read the ingredient list (INCI).<\/p>\n<h3>Is hyaluronic acid only for mature skin?<\/h3>\n<p>No. Hyaluronic acid is a hydrating ingredient that holds water in the upper layers of the skin, so it suits every skin type, including oily skin that\u2019s dehydrated. It improves comfort and bounce, but it won\u2019t stop wrinkles from forming. It works best on slightly damp skin, followed by a moisturizer.<\/p>\n<p>Keep exploring: browse the whole <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\">Beauty<\/a> section, our <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/coiffure\">hair care advice<\/a> and our easy <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/conseils-astuces\">beauty tips and tricks<\/a>.<\/p>","parent":6141,"count":484,"filter":"raw","cat_ID":89445,"category_count":484,"category_description":"<p>The Skincare section of The Body Optimist helps you build simple face and body routines, understand cosmetic ingredients and protect your skin from the sun, whatever your skin tone. Dry, oily, combination, sensitive or mature skin: the focus is on comfort, skin health and informed choices, not on fighting aging.<\/p>\n<h2>What you\u2019ll find in the Skincare section<\/h2>\n<ul>\n<li><strong>Face routines<\/strong>: cleansing, moisturizing and protecting according to your skin type, with advice on <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/conseils-astuces\/which-face-cream-should-i-choose-according-to-my-skin-type-446512\">choosing a face cream for your skin type<\/a>.<\/li>\n<li><strong>Ingredients and actives<\/strong>: hyaluronic acid, niacinamide, retinol, exfoliating acids, ceramides and clays, explained in plain language.<\/li>\n<li><strong>Sun protection<\/strong>: SPF, texture and application for fair and deep skin alike, down to <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/or-store-homemade-sunscreen-simple-advice-from-a-doctor-443199\">where to store your sunscreen<\/a>.<\/li>\n<li><strong>Body care<\/strong>: dry skin, stretch marks, chafing and the <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/conseils-astuces\/this-mistake-in-the-shower-can-damage-your-skin-428383\">shower habit that can harm your skin<\/a>, covered without taboos.<\/li>\n<li><strong>Lips and hands<\/strong>: balms and soothing habits for chapped skin, and the <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/the-supposed-act-of-moisturizing-actually-weakens-the-lips-432300\">\u201cmoisturizing\u201d reflex that actually weakens lips<\/a>.<\/li>\n<li><strong>Myth-busting<\/strong>: organic labels, \u201cclean\u201d claims, ingredient-rating apps and cosmetics marketing.<\/li>\n<\/ul>\n<h2>How do you build a simple skincare routine?<\/h2>\n<p>An effective skincare routine comes down to three steps: cleanse, moisturize, protect. In the morning, use a gentle cleanser (or just rinse if your skin is dry), a moisturizer that suits you, then sunscreen. At night, cleanse to remove sunscreen and grime, then apply a cream. Choose textures for your skin type: rich formulas with ceramides or butters for dry skin, lightweight non-comedogenic ones for oily skin, and short, fragrance-free ingredient lists for sensitive skin. To add an active ingredient (retinol, glycolic acid, vitamin C), introduce one at a time, patch test it and give your skin several weeks before judging the results. Retinol and exfoliating acids are best used at night.<\/p>\n<h2>Our approach<\/h2>\n<p>We talk about skin, not \u201cflaws\u201d: wrinkles, stretch marks, visible pores and cellulite are part of life, and no cream erases them. We explain what products can actually do, beyond the marketing promises, and remind you that a persistent skin problem calls for a dermatologist, not one more product.<\/p>\n<h2>Our articles to get you started<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/dark-skin-the-criteria-that-really-matter-when-choosing-a-sunscreen-445013\">Choosing sunscreen for dark skin<\/a>: the criteria that really matter, from texture to finish.<\/li>\n<li><a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/these-100-clean-skincare-products-are-a-hit-why-is-everyone-talking-about-them-429225\">\u201cClean\u201d skincare decoded<\/a>: what the claim covers and why it appeals.<\/li>\n<li><a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/visible-spot-patches-simple-care-disguised-injunction-438437\">Visible pimple patches<\/a>: simple care or a new beauty pressure in disguise?<\/li>\n<li><a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/soins\/why-keep-beauty-samples-for-too-long-not-a-good-idea-444855\">Why you shouldn\u2019t hoard beauty samples<\/a>: storage, hygiene and shelf life of minis.<\/li>\n<\/ul>\n<h2>Frequently asked questions<\/h2>\n<h3>How can you tell if your skin is dry, oily or combination?<\/h3>\n<p>Wash your face with a gentle cleanser, apply nothing and look at it an hour or two later. Skin that feels tight or flakes is dry, shine all over points to oily skin, and shine limited to the forehead, nose and chin (the T-zone) means combination skin. Frequent redness and stinging point to sensitive skin, which can also be dry or oily.<\/p>\n<h3>Do you need sunscreen if you have dark skin?<\/h3>\n<p>Yes. Melanin offers some natural protection, but it doesn\u2019t prevent UV damage or the risk of skin cancer. Sunscreen also helps keep dark spots, a common concern on deeper skin tones, from appearing or getting darker. To avoid the white cast some mineral filters leave, look for fluid, sheer or tinted formulas.<\/p>\n<h3>What does \u201cclean\u201d mean on a beauty product?<\/h3>\n<p>\u201cClean\u201d has no regulatory definition: each brand uses it for whichever ingredients it chooses to leave out. Cosmetics are already regulated in many countries, with lists of banned or restricted substances that vary from one market to another. For a verifiable commitment, look for certified labels such as COSMOS Organic and read the ingredient list (INCI).<\/p>\n<h3>Is hyaluronic acid only for mature skin?<\/h3>\n<p>No. Hyaluronic acid is a hydrating ingredient that holds water in the upper layers of the skin, so it suits every skin type, including oily skin that\u2019s dehydrated. It improves comfort and bounce, but it won\u2019t stop wrinkles from forming. It works best on slightly damp skin, followed by a moisturizer.<\/p>\n<p>Keep exploring: browse the whole <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\">Beauty<\/a> section, our <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/coiffure\">hair care advice<\/a> and our easy <a href=\"https:\/\/www.ma-grande-taille.com\/en\/beaute\/conseils-astuces\">beauty tips and tricks<\/a>.<\/p>","cat_name":"Skincare","category_nicename":"soins","category_parent":6141}]},"_links":{"self":[{"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/posts\/442595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/users\/8340"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/comments?post=442595"}],"version-history":[{"count":2,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/posts\/442595\/revisions"}],"predecessor-version":[{"id":442604,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/posts\/442595\/revisions\/442604"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/media\/442598"}],"wp:attachment":[{"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/media?parent=442595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/categories?post=442595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/tags?post=442595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}