Not to be confused with niacin, niacinamide is a different form of vitamin B3 often included in cosmetic products due to its skin-boosting benefits. Topical niacinamide may have a positive impact on overall skin health. It helps reduce inflammation and hyperpigmentation, smooth fine lines and wrinkles, and more. Explore how niacinamide boosts skin immunity, reduces hyperpigmentation, and helps fight acne. Find out why it’s a must-have in your skin care regimen. Frustrated with dull, uneven skin? Niacinamide benefits boost barrier function, reduce fine lines, and calm breakouts through 7 proven actions.