Niacinamide
A versatile form of vitamin B3 that brightens skin, minimizes pores, and strengthens the skin barrier — suitable for nearly every skin type.
What Is Niacinamide?
Niacinamide, also known as nicotinamide, is a water-soluble form of vitamin B3 that plays a critical role in cellular energy production and skin health. Unlike many active ingredients, niacinamide is well-tolerated across nearly all skin types and works synergistically with a wide range of other skincare actives. It has become one of the most popular and widely studied ingredients in dermatology and K-beauty alike, earning its reputation as a true multitasker. Niacinamide works at the cellular level to support the production of ceramides and fatty acids in the stratum corneum, reinforcing the skin barrier while simultaneously regulating sebum production and reducing inflammation.
Key Benefits
- Reduces the appearance of enlarged pores by regulating sebum production
- Brightens dull skin and fades post-inflammatory hyperpigmentation
- Strengthens the skin barrier by boosting ceramide and fatty acid synthesis
- Calms redness and soothes inflammatory conditions like acne and rosacea
- Protects against oxidative stress from UV exposure and environmental pollutants
- Improves skin elasticity and fine lines over time
How to Use Niacinamide
Niacinamide is effective at concentrations between 2% and 10%. For beginners, start with a 5% serum applied after cleansing and before heavier creams. It can be used both morning and evening. Unlike many actives, niacinamide does not increase sun sensitivity, making it an excellent daytime ingredient. Apply 2–3 drops to the face and pat gently until absorbed. For best results, layer it under moisturizer and SPF in the morning. Niacinamide plays well with most ingredients — there is no scientific basis for the old myth that it conflicts with vitamin C.
Pairs Well With
Pairs beautifully with hyaluronic acid for hydration, zinc for oil control, vitamin C for brightening, and retinol for anti-aging. The Ordinary Niacinamide 10% + Zinc 1% is a classic duo.
Avoid Combining With
Avoid combining with strong acidic exfoliants (like high-percentage AHAs) at the same time — while not harmful, very low pH environments can reduce niacinamide's efficacy slightly. Apply them in separate routines if concerned.