
Niacinamide (Vitamin B3)
A pore-shrinking, oil-regulating vitamin that fades dark spots and evens skin tone — the modern skincare workhorse.
Niacinamide is a form of Vitamin B3 that's become the most-researched ingredient in modern skincare after retinol. In men's grooming, niacinamide is the go-to fix for oily skin, enlarged pores, uneven tone, and the persistent redness that comes from years of shaving.
- ›Reduces sebum production over 2–4 weeks.
- ›Visibly shrinks pore appearance.
- ›Fades post-inflammatory hyperpigmentation.
- ›Effective at 2–5% concentration.
- ›Stable with almost all other actives.
Full entry coming soon — our editors are finishing it now.




