Yogurt powder is a dried dairy-derived ingredient containing lactic acid, proteins, and milk lipids, used in skincare for mild exfoliation, hydration, and soothing effects. Its lactic acid content provides gentle alpha-hydroxy acid (AHA) activity while the proteins and fats contribute to skin conditioning.
| 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 | More likely at higher concentrations or with frequent use. |
| Allergic contact dermatitis | Rare | Possible in individuals sensitized to milk proteins or dairy components. |
| Increased photosensitivity | Rare | Associated with AHA (lactic acid) activity; sunscreen use is advised. |
| Folliculitis or breakouts | Rare | May occur in acne-prone individuals due to milk lipid content. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.