Efficacy and safety of a cream containing octyl salicylic acid, salicylic acid, linoleic acid, nicotinamide, and piroctone olamine combined with 5% benzoyl peroxide in the treatment of acne vulgaris: a randomized controlled study. Issue 11 (13th July 2022) - Li, Wei; Yu, Qian; Shen, Zhong; Zhang, Lanxin; Zhang, Wei; Li, Caixia