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논문 기본 정보

자료유형
학술저널
저자정보
Jee-Woo Kim (Department of Dermatology Seoul National University Bundang Hospital Seongnam Korea) Yeo-Seon Kwon (Home Entertainment Company LG Electronics Seoul Korea) Yoon-Young Chang (Beauty/Medical Task E&M center CTO LG Electronics Seoul Korea) Sung-Ho Hong (Beauty/Medical Task E&M center CTO LG Electronics Seoul Korea) Jung-Won Shin (Department of Dermatology Seoul National University Bundang Hospital Seongnam Korea) Jung-Im Na (Department of Dermatology Seoul National University Bundang Hospital Seongnam Korea) Chang-Hun Huh (Department of Dermatology Seoul National University Bundang Hospital Seongnam Korea)
저널정보
대한의학레이저학회 MEDICAL LASERS MEDICAL LASERS 제9권 제2호
발행연도
2020.1
수록면
150 - 158 (9page)

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초록· 키워드

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Background and Objectives Low-level laser therapy (LLLT) is used widely to promote hair growth in androgenetic alopecia (AGA). This study examined the clinical efficacy and safety of a home-use LLLT device with a newly designed array of light sources and software optimized for individual types of AGA. Materials and Methods The study was a randomized, double-blind, sham device-controlled trial. Forty-eight subjects (39 men and nine women) were assigned randomly in a 2:1 ratio to use either the test device (LG Pra’L HGN1, LG electronics, Korea) or sham device. The subjects used the LLLT device three times a week for 16 weeks. Phototrichogram was used to measure the hair density and hair thickness at 0, 8, and 16-weeks. Adverse events were closely monitored. Results After 16 weeks of using the device, the test group showed a significant increase in hair density and hair thickness compared to the control. In the test group, the hair density increased 6.96 counts/cm2 at eight weeks and 13.67 counts/cm2 at 16 weeks from the baseline. The hair thickness increased 7.21 μm at eight weeks and 11.80 μm at 16 weeks compared to the baseline. Conclusion The home-use LLLT device with a novel array of light sources and an individualized program according to the types of hair loss appears to be an effective and safe treatment modality for both male and female AGA patients.

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