Isohexadecane is a synthetic, branched-chain hydrocarbon (saturated isoparaffin) used as a lightweight emollient, solvent, and spreading agent in cosmetic formulations. It imparts a silky, non-greasy feel and helps disperse pigments and other ingredients.
| Reported effect | How often | Notes |
|---|---|---|
| Skin irritation | Rare | Generally well tolerated; mild irritation possible in sensitive individuals. |
| Contact dermatitis / allergic reaction | Very rare | Allergic sensitization to this inert hydrocarbon is uncommon. |
| Comedogenicity / clogged pores | Rare | Considered low comedogenic potential, but possible in acne-prone skin with heavy use. |
| Eye stinging or irritation | Rare | May occur on direct ocular contact with certain formulations. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.