Ingredient glossary
Vitamin B3
INCI: Niacinamide · Also: Nicotinamide
Worth paying for
Does Vitamin B3 clash with what you already use? Check it →Strong results with strong evidence behind them. This is one genuinely worth having in a formula.
What it does
- brightening
- barrier support
- anti acne
- anti aging
strong evidenceStrong evidence from multiple clinical studies for improving barrier function, reducing sebum, redness, pores and hyperpigmentation.
On a label: works best above 2%.
Who it's for, and who should skip it
Tends to suit
- oily
- combo
- dry
- sensitive
Approach with care
- very sensitive in high
- Clogs poresLow
- Irritation riskModerate
Plays well with
This, for every label you own
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Educational information about a cosmetic ingredient, not medical advice.