Niacinamide
- Effective dose
- 2–10 %
- Evidence
- 4/5· Strong
Last updated June 1, 2026
What it is
Niacinamide (vitamin B3) supports the skin barrier and modulates sebum production. It is one of the most well tolerated actives in skincare.
Benefits
Reduces redness, mildly improves hyperpigmentation, and supports the lipid barrier. Pairs well with retinoids to mitigate irritation.
When to take it
Can be used morning or night, and layers well under sunscreen and moisturizer. It pairs comfortably with most other actives, making it easy to add to an existing routine.
Side effects
Generally very well tolerated. Concentrations above ~10% can cause flushing in sensitive skin.
Sources
Products containing Niacinamide
No products in our database contain this ingredient yet.