A Prospective, Multicenter, Randomized, Assessor-Blinded Study Assessing the Efficacy and Safety of Injectable Non-Cross-Linked Hyaluronic Acid for Improving Facial Skin Rejuvenation
本项多中心RCT证实,全面部皮内注射NCHA(4 mL × 3次,间隔4周)是一种安全、有效的微创面部年轻化方案:
显著且持续改善皮肤水合度(即效,3次后达峰)
延迟但扎实地改善皮肤弹性(末次注射后7天起显现)
第84天 90.09% 受试者达到"中度改善"或更好
皮肤粗糙度和细纹均显著改善
安全性良好,无严重不良事件,术后严格防晒可避免色素沉着
该研究为中国人群NCHA标准化注射方案提供了目前样本量最大、设计最严谨的多中心循证证据。
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