Terpineol is a naturally occurring monoterpene alcohol used in cosmetics primarily as a fragrance ingredient and to impart a floral, lilac-like scent. It also has mild antimicrobial properties but is added chiefly for olfactory and masking purposes rather than skin treatment.
| Reported effect | How often | Notes |
|---|---|---|
Allergic contact dermatitis | Uncommon | Recognized fragrance allergen; can cause sensitization in predisposed individuals. |
Skin irritation | Uncommon | Mild irritant potential, more likely at higher concentrations. |
Contact sensitization (patch-test positivity) | Rare | Documented in some fragrance-allergic patients during patch testing. |
Photosensitivity reactions | Very rare | Limited reports; not a strong photosensitizer. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.