Ethyl paraben is a paraben-class preservative used in cosmetics to inhibit the growth of bacteria, mold, and fungi, thereby extending product shelf life and ensuring formulation safety. It is typically used at low concentrations and often in combination with other parabens.
| Reported effect | How often | Notes |
|---|---|---|
| Contact dermatitis / skin irritation | Rare | Occasional allergic or irritant reactions, more likely on damaged or broken skin. |
| Allergic contact sensitization | Rare | Positive patch-test reactions are uncommon in the general population. |
| Mild redness or itching | Very rare | Transient localized reactions reported in sensitive individuals. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.