It's useless. Xi Fanghua Yishi Slim is a product of Nomi Group. As of June 5438+1October 65438+July, 2022, according to the official information of Tian Yan, we know that the effect of this product was exaggerated when it was released, and the effect was not so obvious, so it was useless. Users must keep their eyes open and don't be deceived.