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Niacinamide

Generally safe·Strong evidence

A form of vitamin B3 used to support a more even-looking tone and a comfortable barrier. Well tolerated at cosmetic levels.

Questions

Is niacinamide safe to use every day?
Niacinamide is one of the most-studied skincare ingredients and is used in many daily products. Published evidence does not identify safety concerns with regular topical use.
Does niacinamide cause flushing?
Flushing associated with niacinamide typically occurs when taken orally at high doses, not from topical skincare. Topical niacinamide at typical use levels does not produce this reaction.
Why is niacinamide in skincare?
It's a form of vitamin B3 that supports skin barrier health and has anti-inflammatory properties. Niacinamide is used across many product types from serums to moisturizers.

Products with Niacinamide

In our guides

References

This dossier covers safety and concern. For what the efficacy evidence says about Niacinamide, see SerumTruth ↗, our sister site.

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.