What it is
A gentle, water-soluble form of vitamin B3 (nicotinamide) — one of skincare's most versatile "multitasker" ingredients, well-tolerated by nearly all skin types and often used alongside stronger actives rather than as a standalone treatment.
How it works
Increases intracellular NAD/NADP, which supports ceramide synthesis for barrier repair and inhibits melanosome transfer to reduce pigmentation; also has direct anti-inflammatory and sebum-regulating effects.
References
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