There's an overwhelming amount of acids out there, so trying to decipher what your skin needs can be tricky. There are the ones that exfoliate (looking at you, glycolic acid) and acids that hydrate ...

There’s an overwhelming amount of acids out there, so trying to decipher what your skin needs can be tricky. There are the ones that exfoliate (looking at you, glycolic acid) and acids that hydrate ...

Azelaic acid and vitamin C both reduce dark patches and blemishes and help brighten skin. Azelaic acid also reduces skin inflammation and is approved to treat a type of rosacea. It can also help ...

Dioic acid is an ingredient gaining traction for its ability to not only help with acne, but also post-acne dark spots. For ...