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Objectives: To demonstrate the application of P(LA/CL) threads for abdominal rejuvenation, discussing their composition, insertion technique, and clinical benefits. Additionally, to address patient selection criteria, procedural safety, and scientific evidence supporting their effectiveness in improving skin firmness.

Introduction: Collagen and elastin loss due to aging leads to tissue laxity, including in the abdominal region, particularly affecting patients post-pregnancy or after significant weight loss. Absorbable suspension threads composed of poly(L-lactic acid) and ε-caprolactone (P(LA/CL)) have emerged as a non-surgical alternative for abdominal rejuvenation, offering both mechanical lifting and dermal bio-stimulation.

Materials / method: Patients with mild abdominal laxity were treated using P(LA/CL) threads. The procedure included vector marking, local anesthesia, and thread insertion using a cannula. Outcomes were assessed through clinical evaluation, standardized photographs. Safety was monitored based on adverse effects and recovery time.

Results: Patients exhibited visible improvement in skin firmness and abdominal contour, with an immediate lifting effect and progressive collagen stimulation. Patient satisfaction rates were high, with minimal adverse effects such as transient edema and mild bruising, and a rapid recovery period.

Conclusion: P(LA/CL) threads offer a safe and effective non-invasive alternative for abdominal rejuvenation, providing both mechanical support and biological stimulation. Their application addresses a critical gap in minimally invasive body treatments, meeting the increasing demand for non-surgical solutions to abdominal skin laxity.

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