2. Glycolic Acid

This is a type of alpha hydroxy and is a great choice if you want to take care of dry, flaky skin. It’s also a prime option if you want to fade age spots or other discolorations on your skin. Because it contains very small molecules, the acid soaks deeply in your skin, working on issues from the inside out. Glycolic acid is available in a huge number of skincare products so you should have no trouble finding one that works for you.

Retinoic Acid
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