Osteocollagen mask is a mask made of high-quality collagen extracted from some animals. Its "freeze-drying" method is a very special advanced technology in the world and has been patented. This manufacturing method can retain the function of collagen to the greatest extent, which is the progress of skin care industry.
Li Ji, registered in Haidian District, Beijing, is a cosmetics brand in China. The founder of is orange, and she is also an investor in brands such as Besunyen and Fei.