翻译为英文：1年龄≥18岁且≤65岁男女不限； 2有注射透明质酸钠溶液改善面部皮肤状态意愿者； 3面部皮肤经艾尔建皮肤粗糙度量表分级为2级或3级； 4自愿参加本临床试验并已签署知情同意书； 5研究期间愿意维持现有的护肤习惯。

(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.