Behenic acid is a long-chain saturated fatty acid (C22) used in skincare as an emollient, thickening agent, and emulsion stabilizer to improve texture and provide a smooth, conditioning feel. It is derived from plant oils such as rapeseed and peanut oil.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation | Rare | Occasional minor irritation, generally in sensitive individuals. |
| Allergic contact dermatitis | Very rare | Isolated sensitization reports; fatty acids are low-risk allergens. |
| Comedogenicity (pore clogging) | Uncommon | May contribute to clogged pores in acne-prone skin depending on formulation. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.