The best niacinamide serums

Niacinamide is the rare ingredient that suits almost everyone: it calms redness, controls oil, fades post-blemish marks and strengthens your barrier, and it costs very little. The catch is that the shelf is crowded and the formulas are more different than the labels suggest.

Here are the ones worth your money, sorted by who each is actually for. Nothing here is sponsored, and prices route to whichever store ships to you.