Hyaluronic acid, that is, hyaluronic acid, is a natural substance in human body, including skin tissue. Restylane hyaluronic acid is more than 99% similar to hyaluronic acid in human body, which achieves high compatibility, is not easy to cause rejection or allergy, and has immediate effect, remarkable durability and is natural. Shenzhen Hsi Chin micro plastic surgery is still very real in this respect. The operation is well done and the price is to the point. You can go and have a look.