{"id":185,"date":"2017-07-06T10:31:21","date_gmt":"2017-07-06T02:31:21","guid":{"rendered":"http:\/\/xmedicimports.com\/wp\/?p=185"},"modified":"2017-07-06T11:36:34","modified_gmt":"2017-07-06T03:36:34","slug":"l-ascorbic-acid-vitamin-c","status":"publish","type":"post","link":"https:\/\/xmedicimports.com\/blog\/index.php\/2017\/07\/06\/l-ascorbic-acid-vitamin-c\/","title":{"rendered":"L-ASCORBIC ACID ( Vitamin C )"},"content":{"rendered":"<p>CAS# 50-81-7<\/p>\n<h1>Description:<\/h1>\n<p><b>L-ACSORBIC ACID : <\/b>Vitamin C\u00a0also known as l-ascorbic acid , is a vitamin found in food, used as dietary supplement\u00a0and in cosmetics.<\/p>\n<p>Vitamin C, a potent, naturally occurring antioxidant\u00a0is an important constituent of skin.\u00a0 It plays a pivotal role in the prevention of dry skin and wrinkles, collagen synthesis and skin regeneration.\u00a0 Ascorbate is found in all layers of the skin, but is more concentrated in the epidermis than the dermis.\u00a0 However, it is readily depleted by about two thirds in cutaneous\u00a0tissue stores with exposure to UV light.<\/p>\n<p>Topical application of Vitamin C has been shown to reduce the appearance of fine lines and wrinkles. Caused by mechanisms supporting collagen production, this leads to improving the appearance of the skin.\u00a0 It has further been proven to reduce the severity of sunburns and age spots.<\/p>\n<p>Cutaneous levels of Vitamin C cannot be achieved well by ingestion, hence topical application is essential for preventing oxidative damage resulting from pollution, smoke and sunlight.\u00a0 Its use has been shown to increase generation of stratum corneum barrier lipids and stabilize lipid profiles, in particular glucosphingolipids and ceramides.<\/p>\n<p>The difficulty for the cosmetic formulator is that L-Ascorbic Acid is very unstable in \u00a0solutions, as it starts to oxidize immediately, gradually producing color changes (orange\/brown shift) and a reduction in activity as it converts to dehydroascorbic acid.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Cosmetic Function(s):<\/strong><\/p>\n<ul>\n<li>Antioxidant<\/li>\n<li>Fragrance Ingredient<\/li>\n<li>pH Adjuster<\/li>\n<li>Skin-Conditioning Agent<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CAS# 50-81-7 Description: L-ACSORBIC ACID : Vitamin C\u00a0also known as l-ascorbic acid , is a vitamin found in food, used as dietary supplement\u00a0and in cosmetics. Vitamin C, a potent, naturally&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[116,37,117,114,77,115,27,55,112,118,119,113],"_links":{"self":[{"href":"https:\/\/xmedicimports.com\/blog\/index.php\/wp-json\/wp\/v2\/posts\/185"}],"collection":[{"href":"https:\/\/xmedicimports.com\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xmedicimports.com\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xmedicimports.com\/blog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xmedicimports.com\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=185"}],"version-history":[{"count":3,"href":"https:\/\/xmedicimports.com\/blog\/index.php\/wp-json\/wp\/v2\/posts\/185\/revisions"}],"predecessor-version":[{"id":200,"href":"https:\/\/xmedicimports.com\/blog\/index.php\/wp-json\/wp\/v2\/posts\/185\/revisions\/200"}],"wp:attachment":[{"href":"https:\/\/xmedicimports.com\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xmedicimports.com\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xmedicimports.com\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}