If you've shopped for anything targeting hyperpigmentation, you've seen niacinamide on the label. It's one of the most versatile, best-tolerated ingredients for melanin-rich skin — here's what it does and how to use it.
What is niacinamide?
Niacinamide is a form of Vitamin B3. It's water-based, gentle, and works on several fronts at once, which is why it appears in so many good brightening products.
What it does for hyperpigmentation
- Reduces the look of discoloration — it helps limit the transfer of pigment to the skin's surface, so dark patches gradually appear more even.
- Strengthens the skin barrier — a stronger barrier means less irritation, and less irritation means less new pigmentation (a big deal for darker skin).
- Calms redness and inflammation.
- Regulates oil and helps with the look of pores.
Why it's ideal for melanin-rich skin
Deeper skin tones need actives that brighten without triggering irritation — because irritation itself causes more dark spots. Niacinamide is famously gentle and well-tolerated, making it one of the safest, most reliable choices.
How to use it
- Look for it around 5–10% (IYASA's brightening lotion uses 10%).
- Use it morning and/or night — it's stable and plays well with almost everything.
- It pairs especially well with Vitamin C and your moisturizer.
- Gentle enough for daily use, but patch-test if your skin is very sensitive.
IYASA's Brightening Set for Melanin-Rich Skin pairs 10% niacinamide with Vitamin C and kojic acid — SGS lab-tested, no hydroquinone. Explore more for hyperpigmentation, or read how to treat hyperpigmentation on dark skin.