In our reference data, Isostearyl Alcohol is a drying alcohol.
Isostearyl alcohol is a branched-chain fatty alcohol used in cosmetic formulations as an emollient, thickener, and co-emulsifier to improve texture and skin feel. Its branched structure makes it liquid and non-greasy, helping to condition skin and stabilize emulsions.
| Reported effect | How often | Notes |
|---|---|---|
| Skin irritation | Uncommon | Mild irritation possible, generally in sensitive or compromised skin. |
| Allergic contact dermatitis | Rare | Occasional sensitization reported in patch-test studies. |
| Comedogenicity (clogged pores) | Rare | Low comedogenic potential; may contribute to breakouts in acne-prone individuals at high concentrations. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.