Ingredients
What niacinamide actually does for your skin
The vitamin B3 derivative shows up in nearly every routine. Here's what the research actually supports, from oil control to barrier repair.
The Beautyise guide to
Ingredients
Ingredients decodes the label: what retinoids, acids, vitamin C, niacinamide and peptides actually do, at which concentrations, and how many weeks each needs. Entries flag combinations that irritate when layered on one night. Written for readers building a routine from ingredients rather than brand names.
Ingredients coverage from Beautyise.
Ingredients
What niacinamide actually does for your skin
Niacinamide is a form of vitamin B3 that studies show improves uneven tone and supports the skin barrier at concentrations of 2–5% — and, contrary to shelf folklore, it layers happily with almost everything.