Clinical Trial: Sodium Hyaluronate Injection for Facial Skin Roughness (Ages 18-65)

(1) Age between 18 and 65, both male and female are eligible; (2) Willing to receive injection of sodium hyaluronate solution to improve facial skin condition; (3) Facial skin roughness graded as level 2 or 3 according to the Aljaed Skin Roughness Scale; (4) Voluntarily participate in this clinical trial and have signed the informed consent form; (5) Willing to maintain current skincare habits during the study period.