Not bad. Yuxi Yan has the efficacy of whitening and repelling melanin, so the star-rated anti-oxidation and free radical scavenging ingredient ergothionine is selected for Yuxi Yanjing Yan Cream. As a natural antioxidant, ergothionine can protect cells in human body. It can also effectively remove free radicals in the skin and prevent external environment (such as ultraviolet rays) from damaging the skin.