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Hair removal with neodymium-doped yttrium aluminum garnet laser and pneumatic skin flattening in Asians.

AbstractBACKGROUND:
Based on the "gate theory" of pain transmission, pneumatic skin flattening (PSF) may reduce pain during laser hair removal.
OBJECTIVE:
To compare the pain, efficacy, and adverse effects after laser hair reduction using PSF with that using a dynamic cooling device (DCD) in Asians.
METHODS:
Twelve participants (skin types III-IV) received laser hair removal with a PSF device on the right axilla and DCD on the other side. Pain was assessed based on a visual analogue scale. Hair regrowth was rated based on photographs taken before treatment and in follow-up visits at 8 and 36 weeks.
RESULTS:
Sixty-seven percent of participants felt less pain in the PSF side than the DCD side right after laser treatment. On a scale of 1 to 10, the immediate mean pain score was 5.7±2.0 for the PSF side and 6.5±1.5 for the DCD side (p=.09). Seventy-five percent of the participants preferred treatments with PSF. Efficacy of hair reduction was similar on both sides 8 and 36 weeks after treatment.
CONCLUSION:
PSF decreases pain sensation during laser hair removal while allowing higher energy densities in Asian patients. The equal efficacy and complication rate of PSF indicates that it is a feasible alternative to DCD at lower cost.
AuthorsChi K Yeung, Samantha Y Shek, Henry H L Chan
JournalDermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] (Dermatol Surg) Vol. 36 Issue 11 Pg. 1664-70 (Nov 2010) ISSN: 1524-4725 [Electronic] United States
PMID20961348 (Publication Type: Journal Article, Randomized Controlled Trial)
Copyright© 2010 by the American Society for Dermatologic Surgery, Inc.
Topics
  • Adult
  • Asian People
  • Axilla
  • Female
  • Hair (radiation effects)
  • Hair Removal (adverse effects, instrumentation)
  • Humans
  • Lasers, Solid-State
  • Middle Aged
  • Pain (prevention & control)
  • Pain Measurement
  • Young Adult

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