Safety experiment First, the back skin of rabbits were denuded and smeared with the RYQ balm for one and seven times at 20 times clinical dosage after one side was damaged, and then the stimulation and acute toxicity to skin of the drug were observed.

• 安全性试验 以20倍临床用量涂布脱毛后的家兔皮肤，观察单次给药和多次给药(每天1次，连续7天)涂膜剂对完整皮肤和受损皮肤的刺激性反应。