Vitamin A palmitate (retinyl palmitate, all-trans-retinyl palmitate) is known to normalize skin. Retinyl palmitate accounts for about 80% of the vitamin A found in the skin. The advantages of using the milder forms of vitamin A on the skin are that they are converted into retinoic acid in the cells and effectively give similar results to those seen with retinoic acid. It will help to keep skin stay soft and plump. Clinical results have shown that vitamin A palmitate increased significantly skin composition to increase collagen, DNA, skin thickness, and elasticity. Vitamin A palmitate's stability is superior to retinol. Topical application of retinyl palmitate is the most sensible way for loading the skin with retinol (vitamin A). Cosmetic products containing retinyl palmitate are also more effective than those containing retinol. Furthermore, retinyl palmitate readily penetrates into the epidermis and dermis. The activity of vitamin a palmitate in skin may depend on its conversion to retinoic acid. This conversion depends on the enzymatic cleavage of the ester bond in retinul palmitate, and on the skin's ability to ozidse retinol to retinoic acid. Non-specific esterase enzyme activity exists within the skin and it has been demonstrated that skin preparations can convert retinol to retinoic acid. Ref: Vitamins and Health Supplements Guide www.vitamins-supplements.org |
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