from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various fruit acids that are capable of trapping moisture in the skin and initiating the formation of collagen.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry Any
hydroxy acid, of general formulaRCH(OH)COOH, used in the cosmetic industryfor their supposed property of reducing wrinkles.
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