Yiyangtongkang is a healthy brand, and its main products are fever masks. Take Yiyang Tongkang Golden Permeable Mask as an example. This mask adopts nano-gold technology, which can deeply nourish skin, promote skin metabolism and make skin firmer and more elastic. In addition, the mask also contains a variety of natural plant extracts, such as lily, rose, witch hazel and so on. It can effectively moisturize and resist oxidation, and also shrink pores and dilute fine lines. So the brand products are good.