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Laser hair removal

Bibilash Bs, Ravi Kumar Chittoria, Devinder Mohan Thappa, Devi Prasad Mohapatra, Friji M T, Dineshkumar S, Sandhya Pandey
BACKGROUND AND OBJECTIVES: There are no large volume comparative studies available to compare the efficacy of lasers over lights for hair removal in Fitzpatrick V and VI skin types. This study is designed to compare the efficacy of Nd:YAG Laser versus IPL in the darker skin types. STUDY DESIGN/MATERIALS AND METHODS: Thirty nine patients included in Group-1 were treated with Nd:YAG and 31 in group-2 with IPL. Both groups received 5 sessions of treatment. The hair counts were assessed using digital photography and manual counting method before and after treatment and results were analysed...
December 2, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Hyoung-Woo Lim, Minwoo Cho, Dong-Hun Lee, Wooseok Koh, Youdan Kim, Jin Ho Chung, Sungwan Kim
OBJECTIVE: We aimed to develop and validate a novel computer-assisted automated hair counting system for the quantitative evaluation of laser hair removal (LHR). METHODS: We developed a computer-aided image processing system to count hairs on shaved skin and validated its performance through clinical trials. Five volunteers of Fitzpatrick skin type III-IV volunteered and were tested on both thighs. The system automatically detects hair and places a "+" sign on each hair site for every positive detection...
November 3, 2016: Photomedicine and Laser Surgery
Pelin Üstüner, Ali Balevi, Mustafa Özdemir
INTRODUCTION: There is no satisfactory and efficient method for long-term removal of white-colored and thin hair. METHODS: We conducted a randomised clinical trial of hirsute patients with excessive white and/or thin hair on the face and/or axilla. In Group I (n: 16), the facial hair on one side of the face was painted with a black eyelash mascara immediately before Nd:YAG laser and the other half was only treated by Nd:YAG. In Group II (n: 20), the axillary hair on one side was painted with the mascara before the Alexandrite laser with the other side being only treated by Alexandrite...
October 20, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Nathanial R Miletta, Sang Kim, Amanda Lezanski-Gujda, Anthony M Rossi, Jason D Marquart
BACKGROUND: Wounded warriors with lower limb amputations using prosthetics commonly develop dermatologic complaints at the residual limb-prosthetic interface, which impact their health-related quality of life (HRQOL). To optimize this interface, military dermatologists routinely treat the subset of issues related to the pilosebaceous unit with laser hair removal (LHR). OBJECTIVE: To characterize the impact of residual limb skin conditions on HRQOL in wounded warriors using lower limb prosthetics before and after treatment with LHR...
October 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Robabeh Alijanpour, Fatemeh Aliakbarpour
BACKGROUND AND OBJECTIVES: Hirsutism or excess hair growth is a common dermatological problem in females, affecting up to 10% of females worldwide. We aimed this study to compare the two hair-shortening methods shaving vs. snipping among hirsute women regarding the outcome of the therapy and also the paradoxical hypertrichosis phenomenon (terminal hair regrowth) 6 months after the final therapy session. MATERIALS AND METHODS: In this study, 129 premenopausal women affected by hirsutism were randomly divided into two study groups according to hair-shortening method: shaving as group A (66 patients) and hair shortening by scissor as group B (63 patients)...
September 11, 2016: Journal of Cosmetic Dermatology
Hyoseung Shin, Ji-Seon Yoon, Wooseok Koh, Jin Yong Kim, Chang-Hyun Kim, Kang Min Han, Eo Jin Kim, Ohsang Kwon
BACKGROUND AND OBJECTIVE: Lasers have been successfully used for decades to remove dark hair. However, laser removal of nonpigmented hair is challenging due to the lack of chromophores. The aim of this study was to use photodynamic therapy (PDT) to remove nonpigmented hair. STUDY DESIGN/MATERIAL AND METHODS: We compared the efficacy of permanent hair reduction in white BALB/c and black C57BL/6 mice treated with PDT or an 800-nm diode laser. We collected skin biopsy specimens and investigated post-PDT histologic changes and molecular changes...
October 2016: Lasers in Surgery and Medicine
Hannah John, Nikolaos Manoloudakis, J Stephen Sinclair
AIM: To conduct a systematic review of the effectiveness of various types of lasers (and light based therapies) for the treatment of hidradenitis suppurativa (HS) and to establish recommendations based on our findings. DATA SOURCES: MEDLINE, Cochrane and PubMed databases. STUDY SELECTION: English language studies describing the use of laser for the treatment of HS. DATA EXTRACTION: Multiple reviewers performed independent extraction and identified 22 studies that met the inclusion and exclusion criteria...
October 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
Daniel Thaysen-Petersen, Andres M Erlendsson, J F Nash, Frank Beerwerth, Peter A Philipsen, Hans C Wulf, Uwe Paasch, Merete Haedersdal
BACKGROUND AND OBJECTIVE: Intense pulsed light (IPL) is a mainstream treatment for hair removal. Side effects after IPL are known, but risk factors remain to be investigated. The objective of this study was to assess the contribution of skin pigmentation, fluence level, and ultraviolet radiation (UVR) on IPL-induced side effects. METHODS: The study was a blinded, randomized intra-individual controlled trial including 16 healthy subjects with Fitzpatrick Skin Types (FST) II-V...
July 30, 2016: Lasers in Surgery and Medicine
Wenhai Li, Chengyi Liu, Zhou Chen, Lin Cai, Cheng Zhou, Qianxi Xu, Houmin Li, Jianzhong Zhang
BACKGROUND: High-fluence diode lasers with contact cooling have emerged as the gold standard to remove unwanted hair. Lowering the energy should result in less pain and could theoretically affect the efficacy of the therapy. OBJECTIVE: To compare the safety and efficacy of a low fluence high repetition rate 810-nm diode laser to those of a high fluence, low repetition rate diode laser for permanent axillary hair removal in Chinese women. METHODS: Ninety-two Chinese women received four axillae laser hair removal treatments at 4-week intervals using the low fluence, high repetition rate 810-nm diode laser in super hair removal (SHR) mode on one side and the high fluence, low repetition rate diode laser in hair removal (HR) mode on the other side...
July 19, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Gary S Chuang, William Farinelli, David C Christiani, Robert F Herrick, Norman C Y Lee, Mathew M Avram
Importance: Potentially harmful chemicals are released when tissues are vaporized. Laser hair removal (LHR) causes heating and often vaporization of hairs, producing both a signature malodorous plume and visible particulates. Objective: To characterize the chemical composition and quantify the ultrafine particle content of the plume generated during LHR. Design, Setting, and Participants: In the laser center of a large academic hospital, discarded terminal hairs from the trunk and extremities were collected from 2 adult volunteers...
July 6, 2016: JAMA Dermatology
William R Zhang, Giorgia L Garrett, Sarah T Arron, Maurice M Garcia
Genital gender affirming surgery (GAS) involves reconstruction of the genitals to match a patient's identified sex. The use of hair-bearing flaps in this procedure may result in postoperative intra-vaginal and intra-urethral hair growth and associated complications, including lower satisfaction with genital GAS. Despite the significant increase in genital GAS within the past 50 years, there is limited data regarding hair removal practices in preparation for genital GAS and notable variation in hair removal techniques among dermatologists and other practitioners...
June 2016: Translational Andrology and Urology
Muhammed Nurullah Bulut, Ümit Çallı, Eren Göktaş, Kezban Bulut, Baran Kandemir, Yusuf Özertürk
Alexandrite laser is one of the most common methods of hair removal. Its utilization is gradually increasing due to easy accessibility and high effectiveness. However, the disuse of protective goggles during the application of this laser is a serious problem. In this case report, we presented a 35-year-old male patient who had foveal injury by alexandrite laser. The inflammatory process secondary to the foveal injury and subsequent macular edema were treated with Ozurdex because of its potent antiedematous effect...
January 2016: Case Reports in Ophthalmology
Fanny Knorr, Alexa Patzelt, Maxim E Darvin, Claus-Michael Lehr, Ulrich Schäfer, Achim D Gruber, Anja Ostrowski, Jürgen Lademann
BACKGROUND: In humans, topically applied nanocarriers penetrate effectively into the hair follicles where they can be exploited for the localized and targeted treatment of skin disorders. OBJECTIVE: The objective of the present study was to examine the applicability of particle-based systems for follicular drug delivery in companion animals and livestock, which have a large follicular reservoir. ANIMALS: Skin samples from 10 beagle dogs, 14 Wistar rats and four ears from freshly slaughtered cross-bred pigs were used...
August 2016: Veterinary Dermatology
R Sammour, S Nasser, N Debahy, C El Habr
BACKGROUND: Fox-Fordyce Disease (FFD) is a rare chronic inflammatory skin disease of the apocrine glands, mainly affecting post-pubertal women. It involves apocrine gland-bearing areas including the axilla, areola, anogenital area and umbilicus. FFD induced by laser hair removal is a newly reported entity of unknown pathogenesis. To the best of our knowledge, there are only four reported cases in the literature describing a total of four patients. OBJECTIVES: We are reporting the first case series of laser-induced FFD with a histopathological and clinical evaluation of the reported cases...
September 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
Brundha Balaraman, Paul M Friedman
BACKGROUND: The removal of Becker's nevi poses a significant challenge due to limited available therapeutic options and increased risk of adverse effects, including scarring and dyspigmentation. Herein, we present the use of the non-ablative fractional photothermolysis in combination with laser hair removal for the treatment of hypertrichotic Becker's nevi. METHOD: Retrospective analysis of three patients with Becker's nevi revealed that two patients with hypertrichotic Becker's nevi had greater than 75% clearance with combination therapy, and one patient with atrichotic Becker's nevus had a similar result with monotherapy non-ablative fractional photothermolysis...
April 2016: Lasers in Surgery and Medicine
Godfrey Town, Peter Bjerring
INTRODUCTION AND OBJECTIVES: This qualitative review of paradoxical hair growth, following professional treatments reviews, clarifies whether low fluence is the most probable cause of unwanted hair regrowth after at home light-based treatments. MATERIALS AND METHODS: The proposed causes of unexpected hair regrowth are examined, and our scientific understanding of absorption and scattering of light in turbid tissue is reviewed. Published reports of paradoxical hair growth are assessed...
October 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Claire van de Ree-Pellikaan, Rosalie M Kiewiet-Kemper, Ilja Tchetverikov, Peter E Westerweel
A 25-year-old man was admitted to our hospital, with fever, severe ulceration of the oral and pharyngeal mucosa, and pustules on his skin. These pathergy-like lesions had emerged after placement of orthodontic braces and laser therapy for hair removal, respectively. The patient's clinical condition, together with his ethnic background, pointed to the diagnosis of Behçet's disease. Treatment with colchicine and prednisone resulted in rapid improvement of his symptoms. Pathergy reactions in response to placement of dental braces and laser hair removal are a rare first presentation of Behçet's disease...
2016: BMJ Case Reports
Xiaolin Ren, Minggai Ge, Xiaofeng Qin, Peng Xu, Pingya Zhu, Yongyan Dang, Jun Gu, Xiyun Ye
The 800-nm diode laser is widely used for hair removal and also promotes collagen synthesis, but the molecular mechanism by which dermis responses to the thermal damage induced by the 800-nm diode laser is still unclear. Ten 2-month-old mice were irradiated with the 800-nm diode laser at 20, 40, and 60 J/cm(2), respectively. Skin samples were taken for PCR, Western blot analysis, and histological study at day 3 or 30 after laser irradiation. The expression of S100a8 and its two receptors (advanced glycosylation end product-specific receptor, RAGE and toll-like receptor 4, TRL4) was upregulated at day 3 after laser treatments...
May 2016: Lasers in Medical Science
Shiva Alavi, Ehsan Abolhasani, Mohammadali Nilforoushzadeh
The effects of alexandrite laser (AL) on skin parameters such as melanin content, skin layer depth, elasticity, and density have not been investigated through biometric methods. We aim to assess the effect of AL on the skin parameters through biometric devices to determine whether it has positive effects on treated region. In this pretest-posttest study, we recruited patients who attended Laser Clinic of Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran, from January through December 2014...
April 2016: Lasers in Medical Science
Sarah Braungart, Mark Powis, Jonathan R Sutcliffe, Ian D Sugarman
BACKGROUND: Optimal surgical treatment for pilonidal sinus disease remains controversial. Studies in children are uncommon with overall high postoperative recurrence and infection rates (20%). Our unit adopted a technique for excision of the pilonidal sinus with primary midline closure using a full-thickness flap. We present our results of this technique in the pediatric age group. METHODS: Single-center retrospective review and telephone follow-up was performed, including all children undergoing pilonidal sinus excision from 2005 to 2014 using the same operative technique and preoperative/postoperative care...
February 2016: Journal of Pediatric Surgery
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