발광 다이오드와 미세전류 자극이 두피와 모발에 미치는 영향
Effects of Light Emitting Diodes and Micro current Stimulation on Scalp and Hair
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초록
본 연구에서는 460∼630 ± 5 nm에서 파장을 방출하는 발광 다이오드(Light Emitting Diodes, LED)및 근적외선을 이용한 복합 광선과 10∼50Hz의 주파수 0.1 mA∼1.2 mA 미세전류 자극 시 두피와 모발에 나타나는 효과를 비교 조사하고자 하였다. 시험대상자는 총 60명이 참여하였으며 LED 자극 군(1군), 미세전류 자극 군(2군)과 LED 자극과 미세전류 자극을 동시에 받는 군(3군)으로 배정하였다. 각 군들은 해당 두피케어기기를 4주 동안 1일 20분씩 두피 부위에 착용하도록 한 후 다양한 지표의 변화를 살펴보았다. 4주 후 미세전류 자극 군(2군) 과 LED자극 및 미세전류 자극을 동시에 받는 군(3군)에서 두피탄력, 두피민감도, 모발윤기, 모발인장강도, 모발 굵기, 모발 탈락 수, 미세혈류량의 개선을 보여주었다. LED 단일 자극보다 미세전류 자극에 의해 미세혈류량의 개선으로 두피와 모발의 다양한 지표 개선에 영향을 준 것으로 사료된다.
Abstract
In this study, the effects that appear on the scalp and hair when 0.3 mA to 1.2 mA microcurrent stimulation with a frequency of 5 to 25 Hz and composite light using light emitting diodes (LED) and near-infrared rays that emit wavelengths of 460 to 630 ± 5 nm are examined. It was conducted to investigate. A total of 90 test subjects participated and were assigned to an LED stimulation group (LED group), a microcurrent stimulation group (Micro Current, MC group), and a group receiving both LED stimulation and microcurrent stimulation (LED+MC group). Each group was asked to wear the scalp care device on their scalp for 20 minutes a day for 4 weeks, and then the changes in various indicators were observed. After 4 weeks, scalp elasticity, scalp moisture level, hair gloss, hair tensile strength, hair thickness, number of hair fallouts and microcirculation in the microcurrent stimulation group (Micro Current, MC group) and the group receiving both LED stimulation and microcurrent stimulation (LED+MC) showed improvement. It is believed that microcurrent stimulation is more effective in improving scalp and hair by improving microblood flow than LED single stimulation.
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