Winona is a local domestic product from Yunnan, which was founded about 10 years ago. It is a functional brand of Yunnan Betani Biotechnology Group Co., Ltd., which focuses on sensitive muscles. Its products have been verified by the Institute of Dermatology, and their safety and effectiveness have been fully guaranteed.
In addition, Winona's ingredients are relatively safe, mainly from plants, and there are no spices, pigments, alcohol and preservatives that may cause allergies, so many doctors will recommend Winona.
To sum up, Winona is a trustworthy brand.