| Beta hydroxy acids |
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| Beta Hydroxy Acid works mainly as an exfoliant. It causes the cells of the epidermis to become "unglued" allowing the dead skin cells to slough off, making room for regrowth of new skin. Beta Hydroxy acid is reported to improve wrinkling, roughness, and mottled pigmentation of photodamaged skin after at least 6 months of daily application. Beta hydroxy acid found in skin-care products works best in a concentration of 1% to 2% and at a pH of 3 to 4. |
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