Niacinamide (Vitamin B3)
Niacinamide (Vitamin B3) — a water-soluble form of vitamin B3 that supports the skin barrier, helps regulate oil, and is widely studied for improving the look of uneven tone, enlarged pores, and dullness. It is a versatile, well-tolerated ingredient found across many skincare categories.
Key points
- Niacinamide helps support ceramide production, which strengthens the skin's moisture barrier.
- It is researched for reducing the appearance of hyperpigmentation and uneven tone.
- Typical concentrations in skincare range from about 2 to 10 percent.
- It is generally gentle and compatible with most other common actives.
Frequently asked
Can niacinamide be used with vitamin C?
Yes, modern research shows the two can be used together safely, and many products combine them without the old concern that they cancel each other out.
What does niacinamide do for pores?
It is studied for helping regulate oil and improving skin texture, which can make pores appear less prominent, though it does not physically change pore size.
Related topics
This is a foundational entry in the SYNC Skin Encyclopedia and is expanded over time. Educational information only — not medical advice.
