Summer is coming soon, the strong ultraviolet radiation will damage our skin, not only will it darken, but also accelerate skin aging. If you want to stand out in the scorching summer, you must be fully armed to prevent swelling and ensure the humidity of your skin.For proper skin management, ski

PDO is an abbreviation of polydioxanone which widely used as surgery stitch thread and it is very safe to human body. As a colorless biodegradable synthetic polymer, it is a monofilament, so hydrolyzed in body and then naturally excreted by urine. PDO procedure leads to mechanotransduction within sk