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Alpha-hydroxy acids, also known as AHAs, may be older than you are (at least if you’re under the age of 30)—but these exfoliators are key for youthful-looking skin. AHAs help reveal and maintain radiant skin, boost hydration and enhance firmness when used in your daily skincare regimen or in a chemical peel at your dermatologist’s office—without the side effects of more aggressive treatments.
As with many skincare ingredients, acid-based exfoliation can get a little confusing, so it’s important to know the basics. AHAs can be synthetic or naturally derived from fruit, sugar cane, milk and a variety of other sources, however they all work by loosening the bonds that hold dead ski