A Double-Blind, Randomized Clinical Trial of Niacinamide 4% versus Hydroquinone 4% in the Treatment of Melasma

<table>Physicians Global Assessment in melasma patients with niacinamide versus HQ.</table>

Dermatology Research and Practice

Figure 3: A Double-Blind, Randomized Clinical Trial of Niacinamide 4% versus Hydroquinone 4% in the Treatment of Melasma 