Also known as ascorbic acid, vitamin C is a small carbohydrate ... Neither animals nor plants can live without vitamin C, and it is therefore surprising that some animals (some fishes and birds ...

L-ascorbic acid is water soluble ... this serum “delivers vitamin C through the top layer without disrupting the protective barrier of the skin.” Whatever vitamin-C serum you choose, Howe ...

When it comes to achieving bright, glowing skin, a vitamin C serum is key. But not all vitamin C serums are created equal—and ...

An ESSENCE beauty writer introduces the product’s vitamin C formula as the missing piece to her skincare puzzle.