Efficacy of Polycaprolactone Threads in Treating Atrophic Acne Scars: A Split-face Comparative Study.

Background: Polycaprolactone (PCL) threads are a novel treatment option for promoting collagen production and smoothing the skin.

Objective: This study aimed to compare the efficacy and safety of threads versus microneedling with autologous platelet-rich plasma (PRP) in the treatment of atrophic acne scars.

Methods: The study included 24 patients (12 females, 12 males) aged 20 to 37 years with atrophic acne scars.

Evaluation of Intradermal Injection of Botulinum Toxin A for Facial Lifting.

Intradermal botolinum toxin A (BTXA) is an advanced technique that emerged in response to the increased demand for noninvasive facial lifting and skin rejuvenation. We sought to evaluate the safety and efficacy of intradermal injections of BTXA for facial lifting. Twenty-five female patients with mild symmetrical facial skin laxity were enrolled in this study.