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A glycolic acid peel is like a super-charged version of the “brightening” peels that you can buy at Sephora. It uses glycolic acid, an alpha-hydroxy acid and one of the most effective exfoliating chemicals, to weaken the bonds between cells on the top layer of your skin—effectively removing that top layer.
The top layer of your skin is basically just dead skin cells. Sloughing off these guys can help your skin can look brighter and tighter. Other perks include stimulating collagen production (to fight signs of aging) andevening out skin tone if you’re dealing with hyper-pigmentation. In the case of acne, removing dead skin cells can also rid your skin of pore-clogging gunk