brightener
Niacinamide
Also sold as Vitamin B3
Niacinamide appears in 6 products in this index, 3 of which publish a strength — the highest is 12% in Naturium Niacinamide Serum 12% Plus Zinc 2%. It works between pH 5 and 7.
Mechanism
Precursor to NAD+ and NADP+. Reduces sebum, strengthens the barrier via ceramide synthesis, and interrupts melanosome transfer to keratinocytes.
Products containing it
sorted by cost per active| Product | Size | Strength | Best price | Per ml of active |
|---|---|---|---|---|
| 30 ml | 12% | $17.00 | $4.72 | |
 10% Niacinamide Booster Paula's Choice | 20 ml | 10% | $42.40 | $21.20 |
 Niacinamide 10% + Zinc 1% The Ordinary | 30 ml | 10% | $6.00 | $2.00 |
 Alpha Arbutin Serum 2% Naturium | 30 ml | unstated | $20.00 | — |
Azelaic Topical Acid 10% Naturium | 30 ml | unstated | awaiting retailer | — |
 Mandelic Topical Acid 12% Naturium | 30 ml | unstated | $20.00 | — |
