This study was to evaluate the safety and effectiveness of 2% ketoconazle shampoo and placebo shampoo in patients with dandruff. seborrheic dermatitis and tinea versicolor.

• 本文研究目的是评价2%25酮康唑洗剂和安慰剂洗剂治疗头皮单纯糠疹，头皮脂溢性皮炎和花斑癣的疗效和安全性。