1,10-Decanediol is a diol used in topical skincare, primarily in acne-targeted formulations, where it exhibits antimicrobial and sebum-modulating properties against Cutibacterium acnes. It also functions as a mild emollient and preservative-boosting ingredient in some products.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation (redness, stinging) | Uncommon | Typically transient and dose-dependent, more likely at higher concentrations. |
| Dryness or skin tightness | Uncommon | Associated with its sebum-reducing activity in acne formulations. |
| Contact allergic reaction | Rare | Allergic contact dermatitis reported infrequently in sensitive individuals. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.