Niacinamide, Explained: What the Studies Support and What They Don't
The brightening evidence covers 5 percent, the sebum work covers 2 percent, and the label rarely tells you which study your bottle is leaning on.
Written by Sarah CollinsDietary Supplements
Beauty analyzes products at the level of the formula: active ingredient, concentration, delivery system and the evidence supporting each claim. Coverage spans skincare, sun protection, hair treatment and in-clinic procedures, with realistic timelines for visible change and clear notes on when a dermatologist is the better purchase.
Niacinamide and Dark Spots: What the Clinical Trials Actually Show
Two vehicle-controlled trials measured pigment, not promises — here is what a decade of niacinamide research does and does not support.
Written by Sarah Collins