黄褐斑 Traditional form: 黃褐斑 Pinyin (reading): huánghèbān Definitions: chloasma melasma Characters: 黄 - yellow; surname 褐 - coarse wool; dull, brown 斑 - freckled, mottled, spotted, striped Traditional characters: 黃 - yellow; surname 褐 - coarse wool; dull, brown 斑 - freckled, mottled, spotted, striped