Efficacy of Modified Qufeng Runmian Powder (加减祛风润面散) on Acne Vulgaris with Syndromes of Dampness and Blood Stasis: A Multicenter, Randomized, Double-Blind, Placebo-Controlled Clinical Trial

Objective To evaluate the efficacy and safety of a Chinese medicine (CM) Modified Qufeng Runmian Powder (加减祛风润面散, MQFRMP) for the treatment of acne vulgaris with CM syndromes of dampness and blood stasis.