Osman is good. Europe holds 146 patents, and has published 40 papers in core journals at home and abroad, including 3 international authoritative SCI journals. Ou led or participated in the drafting of a number of national and industrial standards such as skin care lotion, pearl extract and pearl powder identification, totaling 33 items. Ziyunfei is a domestic beauty and skin care niche brand, which is produced by Guangzhou Wanshang Cosmetics Co., Ltd. and began to be promoted around 20 10, but it is not a well-known brand at present. Because the overall cost of Ziyunfei skin care products is low, it is relatively cost-effective and sells well, which is suitable for low-end consumers. At present, Ziyunfei's products mainly focus on facial skin care, body skin care and sun protection, including snail liquid skin care series, hyaluronic acid skin care series, facial mask and disposable sleep mask.