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topical · for uneven skin tone

Niacinamide (Vitamin B3) Serum

Reviewed by the Nimbera editorial team · Last updated May 2026

Strong evidence$7-35

How to use

Apply 4-10% niacinamide serum to clean skin morning and night. Pairs well with vitamin C and licorice.

How it works

Inhibits transfer of melanin from pigment-producing cells to skin surface. Multiple RCTs confirm effectiveness for facial hyperpigmentation.

Where to buy

Drugstores, Sephora, online. The Ordinary 10% Niacinamide is a popular budget option (~$7).

Typical cost: $7-35

Safety notes

Generally very gentle. Start with lower concentration if sensitive.

Drug & supplement interactions

  • Always tell your doctor or pharmacist about any supplements you take.
  • Interactions can occur with prescription medications, blood thinners, and immunosuppressants.
  • Herbal remedies can affect how the body absorbs or metabolises drugs.
  • Check drugs.com interactions checker before starting.

This information is compiled from primary clinical literature and is for informational purposes only. It is not a substitute for professional medical advice. Read our full disclaimer.