The drug concentration of DPPC liposome is highest, it had a drug pinnacle descending slowly, and kept a high concentration level during a long time, the drug resorted in skin was most.

• DPPC脂质体药物浓度最高，它能使药物浓度很快达到高峰，然后缓慢下降，长时间内维持一个高的浓度水平，使药物在皮肤内的滞留量最大，时间最长。