Alpha Hydroxy Acids

These ingredients can exfoliate the upper layers of the skin giving a smoother more hydrated and firmer skin over time. Can be used in concentrations of 4-8% between a pH of 3-4. These include Salicylic Acid, Lactic Acid and Glycolic Acid.

Beta Hydroxy Acids

Consists of Salicylic Acid and helps to exfoliate the skin. It is used to improve acne and blackheads and should be used in a pH range of 3-4. It can reverse the appearance of discoloured skin and fine wrinkles.