The exclusive sunscreen for sensitive skin is safe and non-irritating, and it is Winona's star sunscreen product. In order to study the efficacy and safety of the product, Winona cooperated with dermatologists of 63 well-known hospitals in China, CERT of Besancon University and domestic dermatologists to conduct multi-center effect observation until the safety and effectiveness of the product were fully verified, published 15 skin-related medical guidelines and expert knowledge, and participated in the formulation of 16 group standard.

Presided over the formulation of 1 1 product standards, leading the transformation and development of functional skin care products industry. In the book Essence of Clinical Application of Winona Functional Skin Care Products, 128 papers on Winona's basic research and clinical verification published by core journals at home and abroad are included.