Hyaluronic acid is easy to smooth the depression, with high safety, no allergic reaction, fast and safe course of treatment, no scar left, and no facial rigidity for at least 8 months-12 months! Moreover, hyaluronic acid is better than collagen in wrinkle removal. What role does hyaluronic acid have? Hyaluronic acid injection is to inject hyaluronic acid as a filler into areas with wrinkles and depressions in the dermis, such as cheeks, temples, brow bones, eye socket depressions, facial depressions and scars. , can achieve immediate wrinkle removal and appearance change effect.