People Also Ask About Niacinamide

Is there a maximum concentration of niacinamide beyond which it is no longer effective or becomes irritating?

Studies have shown niacinamide is effective at concentrations ranging from 2% to 10%. While higher concentrations can be formulated, they do not necessarily increase the ingredient's benefits and may increase the risk of irritation for some individuals.

See More Related Questions About Niacinamide

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