fragrance · antioxidant
Mentha Piperita (Peppermint) Oil
Watch if sensitive·Moderate evidence·INCI: Mentha Piperita Oil
An essential oil rich in menthol and other terpenes. It adds a cooling, fresh note to products but is a known skin irritant and contact allergen, especially in leave-on products or for people with sensitive or inflamed skin. The oil oxidizes over time, increasing allergenicity.
Worth knowing
- EU-labelled fragrance allergen
- Known contact sensitizer for some
- Can irritate, especially left on
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.