humectant
Polyglutamic Acid
Generally safe·Moderate evidence
An amino acid polymer derived from glutamic acid that functions as a humectant to draw moisture into skin. It is graded with no known concerns in cosmetic use and is well tolerated across skin types.
Products with Polyglutamic Acid
References
Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.