Isopentyldiol

A five-carbon alcohol used as a humectant to draw moisture into the skin and help formulations remain stable. It is well tolerated in the concentrations used in cosmetics.

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.