by Jooyoung Hwang | Nov 16, 2021 | Ingredient Insight, Skincare and Cosmetics, Tips and Tricks, Uncategorized
Introduction of Retinol The term retinoid is a chemical derived from vitamin A and means structurally or functionally similar to vitamin A. Retinoids are natural or synthetic types and forms such as retinal, retinol, and retinyl esters. Retinoid Effect...