What is Lactic Acid

Lactic acid is an organic acid. It occurs naturally in human skin and plays an important role in maintaining the natural balance (homeostasis) of the skin, which is essential for keeping skin healthy. Lactic acid helps to maintain healthy skin by supporting the acid mantle of the skin as well as keeping skin hydrated.

• Synonyms: 2-Hydroxypropanoic acid, Milk acid, L-lactic acid
• INCI: Lactic Acid
• Chemical Formula: C3H6O3
• CAS Number: 79-33-4

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