Niacinamide Serum Side Effects: What You Need to Know Before Adding It to Your Routine

Niacinamide has become a go-to skincare ingredient for beauty enthusiasts and dermatologists alike—and for good reason. It promises clearer pores, balanced oil, smoother skin, and even tone—all without being overly harsh. But like with any active skincare ingredient, understanding how it works, potential niacinamide serum side effects, and the correct way to use it is essential before you dive in.

This guide will walk you through what niacinamide is, how it benefits your skin, the possible side effects, and expert advice on using it safely for every skin type.