Yogurt extract is a fermented dairy-derived ingredient containing lactic acid, proteins, and probiotic-related components used to provide mild exfoliation, hydration, and skin-soothing effects. It is valued for its gentle keratolytic and moisturizing properties in topical formulations.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient stinging or tingling | Uncommon | Related to lactic acid content, especially on sensitive or compromised skin. |
Skin irritation or redness | Uncommon | May occur with higher concentrations or frequent use. |
Allergic contact dermatitis | Rare | Possible in individuals sensitized to dairy proteins or formulation additives. |
Increased photosensitivity | Rare | Associated with the lactic acid (AHA) fraction; sunscreen use is advised. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.