8 Best Niacinamide Serums of 2026 for More Even-Toned Skin

Collage: Paula Balondo; Source images: Courtesy of Allure editors and brandsSave StorySave this storySave StorySave this story You know an ingredient has made it once it starts getting top billing in product names—and that’s exactly what’s happened with the best niacinamide serums. Once overshadowed by heavy hitters like retinol and vitamin C, his multitasking form …