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Vitamin (cell-signalling)

Niacinamide

INCI: Niacinamide·Studied at 2–5% (up to 10%)·Moderate evidence

A stable, water-soluble form of vitamin B3 and one of the more reliable multitaskers on a label, studied for the appearance of an even tone, refined-looking pores and a supported-looking barrier.

Studied for

  • ·The appearance of an even tone
  • ·The look of refined pores and balanced shine
  • ·The appearance of a supported, comfortable-looking barrier

How it’s thought to work

A precursor to skin coenzymes studied for association with the appearance of a more even, resilient-looking complexion; it is stable and plays well with almost everything.

Questions

Is 10% niacinamide better than 5%?
Not automatically. Much of the supportive research sits around 2–5%, and higher levels like 10% can feel like too much for reactive skin or cause pilling under other layers. More is not reliably better here.

Serums we’ve scored with Niacinamide

References