Useful. According to the public health network, Wan Fei freeze-dried powder is a regular brand, and the effect is good. Suitable for people with acne on their faces to repair skin, repair acne muscles and improve acne marks, with good moisturizing effect. Wan Fei repair freeze-dried powder is an efficient and safe cytoprotective agent, which is a new biomedical technology product developed by American biomedical company Wan Fei Technology Co., Ltd.