humectant
Pantolactone
Generally safe·Moderate evidence
A naturally occurring lactone form of panthenol (provitamin B5) that functions as a skin conditioning and hydrating agent. It is chemically related to panthenol with a comparable safety profile established through cosmetic use.
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.