Allantoin is a naturally occurring compound (also produced synthetically) used in skincare for its soothing, keratolytic, and skin-protective properties. It helps promote cell turnover, calm irritation, and support moisture retention.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient skin irritation or redness | Rare | Generally well tolerated; minor irritation possible in sensitive individuals. |
Contact dermatitis or allergic reaction | Very rare | Rarely reported; allantoin is considered low-allergenic. |
Stinging or itching on application | Rare | Typically associated with compromised skin barrier or high concentrations. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.