Undecylenoyl Glycine is an amino acid derivative of undecylenic acid used in skincare for its antimicrobial and sebum-regulating properties, often included in formulations targeting acne, oily skin, and odor control. It also exhibits mild skin-soothing and brightening effects in some studies.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation or stinging | Uncommon | Transient, typically at higher use concentrations. |
| Contact dermatitis or allergic sensitization | Rare | Reported infrequently; patch testing advised for sensitive skin. |
| Dryness | Rare | Possible with overuse in sebum-regulating products. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.