Niacinamide
Niacinamide is one of the few skincare ingredients that genuinely does several things at once: it turns down oil production, calms inflamed acne, and fades the dark marks acne leaves behind — all in one well-tolerated ingredient most skin types can use daily.
How it works
A water-soluble amide of nicotinic acid that clinically regulates sebaceous gland activity, accelerates barrier repair by stimulating ceramide synthesis, and blocks melanosome transfer from melanocytes to keratinocytes to attenuate hyperpigmentation.
In practice, that shows up as smaller-looking pores and less midday shine within a few weeks, before the pigmentation fading becomes noticeable.
How to introduce it
Wait about 5 minutes before the next step. Judging Niacinamide before week 6 means judging it before it's had time to actually work — most of what reads as "this isn't doing anything" in the first couple of weeks is just too early to tell.
- Well tolerated alongside nearly everything else in the routine.
Who should be careful
Niacinamide's safety rating is the lowest tier tracked here — well tolerated by most skin types, including sensitive skin, without a slow introduction.
Works well with
Common in these product forms
Among the products Skinzy tracks in India that contain Niacinamide, it most often shows up as a serum, a moisturizer or a treatment.
Questions people ask
Regulates oil, calms breakouts, and fades post-acne marks — a form of vitamin B3.
Most people see a fair result around 6 weeks of consistent use — judging earlier usually means judging too soon.
Either — Niacinamide works in both a morning and an evening routine.
Research
Selected studies and reviews on Niacinamide. Each link opens the abstract on PubMed. This is background reading, not a substitute for advice from a dermatologist.
- The effect of 2% niacinamide on facial sebum production.Draelos ZD, Matsubara A, Smiles K J Cosmet Laser Ther, 2006 · PMID 16766489
- The effect of niacinamide on reducing cutaneous pigmentation and suppression of melanosome transfer.Hakozaki T et al. Br J Dermatol, 2002 · PMID 12100180
- Nicotinamide increases biosynthesis of ceramides as well as other stratum corneum lipids to improve the epidermal permeability barrier.Tanno O et al. Br J Dermatol, 2000 · PMID 10971324
- Niacinamide: A B vitamin that improves aging facial skin appearance.Bissett DL, Oblong JE, Berge CA Dermatol Surg, 2005 · PMID 16029679