Niacinamide/Yeast Polypeptide

Cosmetic function: Skin Conditioning

At a glance

EWG hazard reflects the rating of the ingredient, not the real-world risk of a finished product — hazard depends on concentration. How we read these.

Typical effective level

2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

A general research norm — not the amount in any specific product (INCI lists don't disclose amounts).

Products with Niacinamide/Yeast Polypeptide

Data is aggregated from EWG, CIR, CosIng and the SkinCarisma community, and improves over time. Spot something off? See our methodology. This is general information, not medical advice.