Product Review: Perricone Ester C SPF 15

Reviews, Skin Care

There are two types of vitamin C creams on the market:  those with acidic vitamin C, called L-ascorbic acid, and those with vitamin C derivatives, ranging from ascorbyl palmitate to magnesium ascorbyl phosphate to ascorbyl glucoside. Why L-Ascorbic Acid Can Be Better The advantage of the L-ascorbic acid version is two-fold:  one, the concentration necessary Read more »