視黃醇爲何重獲矚目

1990年代，在其它活性成分廣泛應用之前，視黃醇曾是風靡一時的抗衰老成分。當時，它被視為具有刺激性，不適合用於敏感肌膚。很棒的是，如今它以改良後的全新溫和配方，再度復出！
秘訣
1

視黃醇簡史


  視黃醇是維生素A的化學名稱。早在1970年代，科學家就注意到它的護膚功效，並發現缺乏維生素A可能是肌膚變得乾燥、過敏。因此，他們決定使用維生素A衍生分子 — 視黃醇來應對各種肌膚問題。視黃酸最初被用於治療痤瘡，後來，研究者發現它對肌膚外觀和彈性也具有正面效用。1990年代，它成爲風靡一時的肌膚抗衰老成分，能夠緩解四種主要衰老跡象：肌膚乾燥、缺乏彈性、肌膚薄弱和皺紋。但它不適合敏感肌膚，因爲可能導致進一步的刺激、皮疹和發炎。幾乎一夕之間，視黃醇的地位被玻尿酸、抗氧化劑和胜肽等成分所取代。  
 
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秘訣
2

具體確實的功效

任何護膚專家都會指出，視黃醇對真皮裂紋（也就是皺紋）、對抗皮膚衰老和紫外線的傷害發揮重大作用。

視黃醇具有全方位的護膚功效，它主要在兩個層面發揮作用去除表皮角質，提亮並均勻膚色；同時促進真皮層膠原蛋白生成，以減弱明顯的衰老跡象。換言之，它不僅能預防皺紋，還能平衡褪黑素（皮膚色素）的生成，達到均勻膚色。  

 
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秘訣
3

視黃醇捲土重來


視黃醇榮耀回歸，現在，它也適用於敏感肌膚。在消除了這種分子對肌膚的刺激性（部分是因爲濃度達0.3%）之後，它現在通常以低劑量添加，更加溫和，讓肌膚更容易接收。有些產品使用緩釋視黃醇，為肌膚提供充分的適應時間。視黃醇現在經常搭配其它活性成分使用。如果你的肌膚不適於改良前的版本，現在則可以使用改良後的新品。總之，視黃醇重新登上抗衰老的舞臺，可喜可賀！
 
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