Niacinamide is a form of vitamin B3 used in skincare to support a stronger-looking barrier, a more even tone and visibly less shine.
- INCI name
- Niacinamide
- Also called
- Vitamin B3, Nicotinamide
- Category
- Vitamin
- In these formulas
- Snatched, Pinky Promise
What is Niacinamide?
- One of the best-tolerated actives in cosmetic formulation, and stable across a wide pH range.
- It appears in both Snatched and Pinky Promise as a supporting active alongside the hero peptide.
- Unlike acids, it does not exfoliate — it supports the barrier instead.
What does the research cover?
- Studied for the appearance of uneven tone, visible pores and barrier resilience.
- Generally well tolerated at daily use in leave-on cosmetic formulas.
- Works well as a base layer under a peptide routine.
Who is Niacinamide best for?
- Uneven-looking tone
- Visible shine through the day
- Barriers that flare easily
How do you use Niacinamide?
- Use morning and night as part of a serum step.
- If you're new to actives, start every other day and build up.
What does it pair with?
- PDRN
- SNAP-8
- GHK-Cu
- Sodium Hyaluronate
What should you avoid layering with it?
- Layering directly with pure L-ascorbic acid if your skin flushes easily.
Niacinamide questions
Can you use niacinamide with peptides?
Yes. Niacinamide is one of the easiest actives to pair with peptides, and Glo Key formulates the two together in the same serum.
