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What is the difference between alpha hydroxy acid (AHA) and beta hydroxy acid (BHA)?

April 26, 2017acid aha Alpha beta BHA difference hydroxy

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What is the difference between alpha hydroxy acid (AHA) and beta hydroxy acid (BHA)?

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Beta hydroxy acid (BHA) works from the uppermost layer of the skin, dissolving skin layer by layer. AHAs work at the lowermost levels of the stratum corneum. Salicylic Acid, a BHA, is most frequently used in wart removal and acne products.