Chemical Exfoliants
Chemical exfoliants — AHAs, BHAs and PHAs
Glycolic, lactic, salicylic, mandelic — when to layer them, when to alternate, and when to stop completely.
Acids exfoliate the surface or the pore lining, depending on whether they're water- or oil-soluble. Combining them with the wrong actives or oral medications can compromise the barrier within days.
Ingredients in this category
AHA (Alpha Hydroxy Acid)
Smallest AHA; penetrates deeply to exfoliate and brighten.
BHA (Salicylic Acid)
Betaine Salicylate
Gentler BHA alternative popular in K-beauty.
Bromelain
Pineapple-derived proteolytic enzyme.
Gluconolactone
Large-molecule PHA; very gentle, hydrating.
Papain
Fruit enzyme that digests keratin for gentle exfoliation.
Salicylic Acid
Oil-soluble beta hydroxy acid that exfoliates inside pores.
Subtilisin
Bacterial enzyme for keratolytic exfoliation.
Trichloroacetic Acid
Medium-depth chemical peel agent — professional use only.
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