- n. chemistry a carboxylic acid that also contains a hydroxy group
GNU Webster's 1913
- (Chem.) an organic acid, having (besides the hydroxyl group of the carboxyl radical) an alcoholic hydroxyl group, and thus having the qualities of an alcohol in addition to its acid properties; as, lactic and tartaric acids are
- n. any acid that has hydroxyl groups in addition to the hydroxyl group in the acid itself
“Beyond antioxidants, there’s a new arsenal of potent wrinkle-reversers in this post-alpha hydroxy acid beauty world that can deliver true wrinkle reversal and stimulate collagen synthesis, skin regeneration, and other anti-aging effects without the irritation of acids, retinol products, or other peels.”
“The tough surface, immovable blemishes, and oily rebound due to drying regimens; the rawness from overzealous lunchtime peels; the crepey, dry tightness of alpha hydroxy acid abuse; the flaky patches from benzoyl peroxide dabbing—none of it wears makeup well.”
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