1. According to the inquiry of Bodybuilding. com, the main effects are different: Haiwei has the effects of deep wrinkle removal, moisturizing and facial carving, which lasts longer. Ewan hyaluronic acid is a hyaluronic acid filler imported from Korea, which has good elasticity, strong viscosity and lasting molding effect.

2. The manufacturers are different: Yiwan is an imported brand and Haiwei is a domestic brand.