Ingredient guide ›

Niacinamide

The skin-tone evener.

What it does

A form of vitamin B3. It helps smooth skin and even out its tone.

Good to know

A 2021 review of studies found niacinamide creams can help with dark spots, uneven tone and signs of aging.

Often found in: Shampoos, Anti-dandruff shampoos, Hair gels

Around the world

• United States: No FDA limit. The FDA doesn't approve cosmetic ingredients before sale. Source
• EU and UK: No special limit in the EU or UK. Source
• Canada: Not on Health Canada's Hotlist of restricted ingredients. Source
• Australia: No limit in Australia's Poisons Standard. Source

Sources

• Nicotinamide (niacinamide) for skin aging and pigmentation: mechanisms and clinical evidence (Antioxidants, 2021) (Independent)