Hello, collagen injection is to implant collagen under the skin in a non-surgical way, thus smoothing wrinkles, improving facial defects and shaping perfect skin. It is the fastest, most convenient and safest way to create personalized facial micro-plastic surgery. Collagen is mainly injected into the dermis with a very fine needle, and immediately after injection, the dermis structure that had collapsed due to aging is filled up to achieve the purpose of smoothing wrinkles immediately. View original post >>