1. Glycolic acid is the most commonly used alpha hydroxy acid, owing toits reputation as one of the safest and

 most effective. lts molecules are thesmallest among the AHAs, so it's able to penetrate skin better and 

beabsorbed readily.

2. Glycolic acid works by actually destroying the bonds between old skincells, freeing them so they can be

 sloughed off. This might sound scary andcounterproductive, but it's actually quite beneficial.

3. Glycolic acid is an exfoliator, which means that it safely removes theouter layer of dead skin cells.

4. Glycolic acid helps accelerate your skin's renewal process, bringingfresh, new skin to the surface on a regular 

basis when used routinely. Thiscan help your skin look younger and dewier, with a glow that arises fromincreased 

circulation and faster cell turnover.

5. Glycolic acid also helps lighten discolorations such as sun and agespots.

6. Glycolic acid can even help skin that's prone to blackheads, whiteheadsand acne by keeping pores clear of old skin that tends to clog them andcause problem.