fragrance
Alpha-Pinene
Watch if sensitive·Moderate evidence
A naturally occurring terpene from coniferous resins, used in fragrances for its fresh, woody note. It is a known contact allergen when oxidized to hydroperoxides, which occurs readily in air-exposed products, so people with fragrance sensitivities may react.
Worth knowing
- EU-labelled fragrance allergen
Questions
- What is alpha-pinene and why is it in skincare?
- Alpha-pinene is a natural compound found in pine, rosemary, and other plants, often used for its fragrance in cosmetics. It also has antimicrobial properties and may be included for potential skin benefits. Published evidence on its efficacy for skin is limited.
- Can alpha-pinene irritate skin?
- Alpha-pinene from essential oils can be irritating at high concentrations, but cosmetic products use it at diluted levels. Some people sensitive to terpenes or essential oil compounds may experience reactions. The published evidence does not support concern at typical cosmetic concentrations.
- Is alpha-pinene safe for sensitive skin?
- Alpha-pinene at standard cosmetic levels is not typically problematic for most skin types. Those with fragrance or essential oil sensitivity should patch test. Individual responses to terpenes and plant compounds vary widely.
Products with Alpha-Pinene
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.