Document Detail

Hair removal using a combination of conducted radiofrequency and optical energies--an 18-month follow-up.
MedLine Citation:
PMID:  15370409     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Multiple lasers and intense pulsed light sources have been shown to provide long-term hair removal; however, the management of all dark skin phenotypes and light-colored hair remains problematic. The present study examined the long-term photoepilatory effect of a combined intense pulsed light (IPL) (680-980 nm)/radiofrequency (RF) (10-30 J/cm3) light source and its efficiency for the treatment of multiple skin phenotypes and varied hair colors. METHODS: Forty adult patients (skin phenotypes II-V) with varied facial and non-facial hair colors were treated with a combined IPL/RF technology. Four treatments were carried out over a period of 9-12 months at 8-12-week intervals. Light energy ranged from 15 to 26 J/cm2, while RF energy varied from 10 to 20 J/cm3. Hair counts and photographic evaluation of skin sites were obtained at baseline, and months 1, 3 and 5 after the final treatment session. H&E biopsies were examined at 1 week in five randomly selected study cohorts. RESULTS: Maximum hair reduction was observed at 6-8 weeks after each treatment. An average clearance of 75% was observed in all body locations at 18 months. No significant adverse sequelae were reported. Results showed no significant dependence on skin color: lighter and darker skin types responded similarly to treatment. Histologic evaluation revealed thermal damage to hair follicles with vacuolar degeneration. CONCLUSION: The combined IPL (680-980 nm)/RF light source with contact cooling is a safe and effective method of long-term hair reduction in patients of diversified skin types and varied hair colors and is associated with excellent patient safety.
Neil S Sadick; James Shaoul
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cosmetic and laser therapy : official publication of the European Society for Laser Dermatology     Volume:  6     ISSN:  1476-4172     ISO Abbreviation:  J Cosmet Laser Ther     Publication Date:  2004 May 
Date Detail:
Created Date:  2004-09-16     Completed Date:  2004-10-21     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  101136419     Medline TA:  J Cosmet Laser Ther     Country:  England    
Other Details:
Languages:  eng     Pagination:  21-6     Citation Subset:  IM    
Weill Medical College of Cornell University, New York, NY, USA.
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MeSH Terms
Follow-Up Studies
Hair / pathology
Hair Removal / instrumentation*
Hot Temperature
Laser Therapy*
Optics and Photonics / instrumentation*

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