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A Study on the Photobiological Safety of LED Masks L&E, Vol. 29, No. 6, 2021

Light & Engineering 29 (6)

Volume 29
Date of publication 12/28/2021
Pages 123–135

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A Study on the Photobiological Safety of LED Masks L&E, Vol. 29, No. 6, 2021
Articles authors:
Seong-Woo Choi, Chung-Hyeok Kim, Woon-Shik Choi

Seong-Woo Choi He is Director of Master course of Plasma Bio Display at Kwangwoon University

Chung-Hyeok Kim He is Professor at Ingenium College of Engineering, Kwangwoon University, and Council member at The Korean Institute of Electrical and Electronic Material Engineers

Woon-Shik Choi He is Professor at Department of Technical Education, Sehan University

Abstract:
LED masks have made a significant impact on the beauty care sector. These products use low level light therapy to treat damaged skin and encourage skin regeneration. However, there are no specific safety standards for LED masks. Therefore, consumers may incur risks, such as skin damage and eye burns. In this study, selected LED masks were investigated based on their number of LED modules and wavelength bands (blue, yellow, and red light). The irradiance and radiance were measured according to the measurement criteria of IEC62471, which is an international standard for photobiological safety. This standard was used to derive the results and to find the corresponding hazards to humans. The products use blue light, and the inclusion of a separate eye protection device was checked. The application of an automatic output blocking system was checked when the product is used for a particular period. This study aims to present a domestic photobiological safety standard management plan and guidelines for the use of LED masks according to the test results.
References:
1. Democratic Party of Korea, Side effects of eye burn after using press release LED mask.
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3. Avci, P., Gupta, A., Sadasivam, M., Vecchio, D., Pam, Z., Pam, N., Hamblin, M.R. Low-level laser (light) therapy (LLLT) in skin: stimulating, healing, restoring // Seminars in Cutaneous Medicine and Surgery, 2013, Vol. 32, #1, pp. 41–52.
4. European union, Electrical equipment designed for use within certain voltage limits. Guidelines on the Application of Directive, 2006.
5. Kang, S. Y., Hong, J. E., Choi, E. J., Lyu, J.M. Bluelight induces the selective cell death of photoreceptors in mouse retina // Journal of Korean Ophthalmic Optics Society, 2016, Vol. 21, #1, pp. 69–76.
6. Kim, G. H., Kim, H. I., Paik, S. S., Jung, S. W., Kang, S. B., Kim, I.B. Functional and morphological evaluation of blue light-emitting diode-induced retinal degeneration in mice // Graefe’s Archive for Clinical and Experimental Ophthalmology, 2016, Vol. 254, #4, pp. 705–716.
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