Experimental group:Randomly administered injection therapy, with the option to supplement injections one month later

Prospective, multicenter, randomized, "no treatment" parallel controlled clinical trial to evaluate the safety and effectiveness of modified sodium hyaluronate gel for injection in the correction of infraorbital depression

A multicenter, randomized, ' no-treatment ' parallel controlled study to evaluate the efficacy and safety of cross-linked sodium hyaluronate gel for injection in lip filling.