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Poly-L-lactic acid: a perspective from my practice.

Neil S Sadick1

  • 1Weill Medical College of Cornell University, New York, NY, USA. nssderm@sadickdermatology.com

Journal of Cosmetic Dermatology
|February 8, 2008
PubMed
Summary
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Poly-L-lactic acid (PLLA) effectively addresses facial sagging caused by lipoatrophy, offering semipermanent correction for periorbital and cheek areas. Proper dilution, injection technique, and massage ensure optimal cosmetic results with minimal complications.

Area of Science:

  • Dermatology
  • Aesthetic Medicine
  • Biomaterials Science

Background:

  • Facial aging is characterized by lipoatrophic sagging, particularly in the periorbital and cheek regions.
  • Soft tissue fillers are utilized to restore volume and improve the appearance of age-related facial changes.

Purpose of the Study:

  • To evaluate the efficacy and safety of poly-L-lactic acid (PLLA) as a volumizer for correcting facial lipoatrophy in cosmetic applications.
  • To establish optimal treatment parameters for PLLA injections to achieve desirable cosmetic outcomes and minimize adverse events.

Main Methods:

  • Administration of poly-L-lactic acid (PLLA) treatments over a 2-year period.
  • Focus on appropriate PLLA dilution, precise injection plane, and post-treatment massage protocols.
  • Adjusting treatment session intervals between 4 to 6 weeks for tailored volume correction.

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Main Results:

  • Excellent cosmetic results were achieved in patients treated with PLLA.
  • Minimal complications were reported, indicating a favorable safety profile.
  • Semipermanent correction, lasting up to 2 years, was observed.

Conclusions:

  • Poly-L-lactic acid (PLLA) is an effective and safe option for addressing facial lipoatrophic sagging in cosmetic indications.
  • Optimal outcomes depend on meticulous technique, including appropriate dilution, injection plane, and post-treatment massage.
  • While PLLA is approved for HIV-related lipoatrophy, its cosmetic use is pending approval, highlighting its potential in aesthetic medicine.