Publication: Histologic evaluation of a millisecond Nd:YAG laser for hair removal
Issued Date
2001-03-21
Resource Type
ISSN
01968092
DOI
Other identifier(s)
2-s2.0-0035094553
Rights
Mahidol University
Rights Holder(s)
SCOPUS
Bibliographic Citation
Lasers in Surgery and Medicine. Vol.28, No.2 (2001), 159-161
Suggested Citation
David J. Goldberg, Sirunya Silapunt Histologic evaluation of a millisecond Nd:YAG laser for hair removal. Lasers in Surgery and Medicine. Vol.28, No.2 (2001), 159-161. doi:10.1002/lsm.1033 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/26819
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Title
Histologic evaluation of a millisecond Nd:YAG laser for hair removal
Author(s)
Abstract
Background: Hirsutism and hypertrichosis are common problems. Laser-assisted hair removal has recently become a popular method to remove unwanted hair. However, histologic changes of the hair follicle after exposure to laser continue to require further investigation. Objective: To determine the thermal effect of a millisecond Nd:YAG hair removal laser. Methods: Six patients with black hair were treated with 50 msec pulsed Nd:YAG laser at fluences 30, 50 or 100 J/cm2. Histologic examinations were performed on each laser-treated site at 24-72 hours after laser exposure. Results: Fluence-dependent selective thermal injury to follicles was seen. The average depth of acute laser injury at fluences 30, 50 and 100 J/cm2were 1.06, 0.85 and 1.11 millimeters, respectively. Conclusion: Long-pulsed millisecond Nd:YAG lasers produce selective thermal damage of hair follicles. Varied laser fluences used in this study did not statistically alter the degree of thermal injury. © 2001 Wiley-Liss, Inc.
