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2. Dermatologists Say These Are the Best Gentle Retinol Serums ...

   www.aol.com/lifestyle/dermatologists-editors...

   These multiple conversion steps are what make it gentler on the skin. Retinol: The most common form of over-the-counter topical vitamin A products, retinol comes in varying percentages. Those with ...

3. Retinyl palmitate - Wikipedia

   en.wikipedia.org/wiki/Retinyl_palmitate

   Retinyl palmitate, or vitamin A palmitate, is the ester of retinol and palmitic acid, with formula C 36 H 60 O 2. It is the most abundant form of vitamin A storage in animals. [2] An alternate spelling, retinol palmitate, which violates the -yl organic chemical naming convention for esters, is also frequently seen.

4. Vitamin A - Wikipedia

   en.wikipedia.org/wiki/Vitamin_A

   Vitamin A occurs as two principal forms in foods: A) retinoids, found in animal-sourced foods, either as retinol or bound to a fatty acid to become a retinyl ester, and B) the carotenoids α-carotene (alpha-carotene), β-carotene, γ-carotene (gamma-carotene), and the xanthophyll beta-cryptoxanthin (all of which contain β-ionone rings) that ...

5. All-trans-retinyl-palmitate hydrolase - Wikipedia

   en.wikipedia.org/wiki/All-trans-retinyl...

   an all-trans-retinyl ester + H 2 O = 11-cis-retinol + a fatty acid. This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name is all-trans-retinyl ester acylhydrolase, 11-cis retinol-forming. This enzyme participates in retinol metabolism.

6. Should You Use Retinol and Retinoids?

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   These products are touted for their ability to reduce fine lines and wrinkles and stimulate collagen.

7. 9 Retinol Alternatives to Try If You Have Sensitive Skin

   www.aol.com/lifestyle/9-retinol-alternatives-try...

   Available in prescription and over-the-counter form in various concentrations and under different names like retinol, retinoic acid, tretinoin, retinyl palmitate, retinyl linoleate and retinyl ...