active
Menthol
Watch if sensitive·Strong evidence
A naturally occurring compound from peppermint and other mint plants that creates a cooling sensation and may have mild antimicrobial properties. It is generally safe in rinse-off products and low concentrations but can irritate or sensitize some individuals, particularly in leave-on formulas or higher amounts.
Worth knowing
- Can irritate, especially left on
Products with Menthol
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.