Milk enzymes are protein-derived compounds (often combined with milk-sourced lactic acid) that provide mild enzymatic and chemical exfoliation by breaking down dead surface skin cells and supporting gentle resurfacing. They are used in cleansers, masks, and peels for smoothing and brightening.
| Reported effect | How often | Notes |
|---|---|---|
Mild stinging or tingling on application | Common | Transient sensation, more likely on sensitive or compromised skin |
Redness or erythema | Uncommon | Usually temporary; may increase with overuse or higher concentrations |
Dryness or flaking | Uncommon | Related to exfoliating action, especially with frequent use |
Increased photosensitivity | Uncommon | From associated lactic acid exfoliation; sunscreen use advised |
Allergic contact dermatitis | Rare | Possible in individuals sensitized to milk proteins or other components |
Severe irritation or burning | Very rare | Typically associated with misuse or pre-existing barrier damage |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.