Clinical Study
DNA Methyltransferases in Malar Melasma and Their Modification by Sunscreen in Combination with 4% Niacinamide, 0.05% Retinoic Acid, or Placebo
Table 2
Changes in colorimetric values (L, a), MASI index, and Mean Fluorescence Intensity (MFI) in melasma lesions treated with 4% niacinamide, 0.05% retinoic acid, and placebo; initially and at the end of the study.
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L: axis values; a: erythema axis values; p values obtained by t test. The groups did not differ in colorimetric, MASI, and MFI values at onset (ANOVA, P >0.05). |