1. Product quality: Youbeiyan collagen water-light needle is a beauty product that has been strictly screened and tested, and its production process follows the relevant national laws and standards. The main component of this product is collagen, which is a natural protein and widely exists in human skin, bones, muscles and other parts. It has good biocompatibility and will not have obvious side effects on human body.

2. Efficacy of the product: The main efficacy of Youbeiyan Collagen Water Light Needle is to improve the skin condition, improve the elasticity and compactness of the skin, and reduce the appearance of fine lines and wrinkles. At the same time, it also contains hyaluronic acid and other ingredients, which can provide sufficient moisture for the skin and make the skin smoother, softer and more elastic.