Glossary — Pyruvic Acid

Alpha Hydroxy Acid (AHA)

Alpha Hydroxy Acid (AHA) Citric Acid Glycolic Acid Lactic Acid Malic Acid Mandelic Acid Pyruvic Acid Tartaric Acid

Alpha Hydroxy Acid (AHA) — the family name for a group of naturally occurring acids often referred to as “fruit acids.”  AHAs are used in cosmetics as moisturizers, emollients, and exfoliants. They are also employed to treat such conditions as photodamage, hyperpigmentation, eczema, and ichthyosis. Their activity and associated benefits are dependent on the type of AHA used, the concentration employed, and the pH of the formula. The benefits attributed to AHAs include a reduction of fine lines and superficial wrinkles, a lightening of surface pigmentation, and softer, suppler skin with improved hydration. These noted benefits are a result of...

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