Lactic acid. Definition

Medical Definition: lactic acid

Substance made from milk sugars by the action of certain enzymes. It is used in products for skin care to reduce wrinkles and soften skin. Is also being studied for the treatment of hand-foot syndrome (a condition characterized by pain, swelling, numbness, tingling, or redness of the hands or feet) experienced by patients undergoing chemotherapy. The muscles of the body also produce lactic acid which is used in many chemical processes the body. A type of alpha hydroxy acid.

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