Methods The deoction for soothing liver and activating blood was incubated with B16 melanoma cells in vivo at serial concentrations, and then melanin content and tyrosinase activity we...

• 结论疏肝活血中药复方可直接作用于黑素细胞,抑制细胞黑素合成,但无细胞毒作用,可用于治疗黄褐斑。