Niacinamide has been shown to improve melasma symptoms in as little as 4-6 weeks, with optimal results seen after 12 weeks of treatment.
Studies suggest that niacinamide can start to show improvements in melasma symptoms within 4-8 weeks, but it may take 3-6 months to see significant results.
The American Osteopathic College of Dermatology recommends using niacinamide for at least 3-6 months to see noticeable improvements in melasma patches.
A systematic review of 15 studies found that niacinamide significantly improved melasma symptoms in 70% of patients, with an average treatment duration of 12 weeks.
Watch as dermatologist Dr. Lee shares before and after results of using niacinamide serum to treat melasma, with noticeable improvements seen after just 6 weeks.
This ongoing clinical trial is investigating the efficacy of niacinamide in treating melasma, with participants using a 5% niacinamide cream for 24 weeks.
Niacinamide can take time to work, but with consistent use, you may start to see improvements in melasma patches within 8-12 weeks, with optimal results seen after 6 months.
Dermstore's skincare experts discuss the benefits of using niacinamide to treat melasma, including its ability to improve symptoms in as little as 4-6 weeks, and recommend combining it with other treatments for optimal results.