Easy to use. Bihua Kou belongs to Guangzhou Oupei Cosmetics Co., Ltd., which was founded on February 2, 2010. Regular use can whiten your skin and lighten the spots on your face. The mask is very thin and breathable, and it is very comfortable and light on the face. It feels very cool, and the essence inside is very absorbent. Well, after applying it, my skin feels extremely moisturized, smooth and delicate