March 2026 in “Health Science Reports” The 755 nm laser is more effective and safer for hair removal than the dual-wavelength laser.
January 2024 in “International Journal of Health Science” Scalp cooling and low-power light therapy show promise in reducing chemotherapy-induced hair loss but need more research.
1 citations
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April 2018 in “Dermatologic Surgery” 
60 citations
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January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Applying a specific inhibitor lightens skin and hair color.
January 2014 in “대한미용학회지” Using supercritical carbon dioxide can change the size of Hinokitiol particles.
9 citations
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January 2010 in “Biological and medical physics series” The book was the first to focus on the biophysical properties of hair.
26 citations
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December 2020 in “Photodermatology Photoimmunology & Photomedicine” Photobiomodulation can improve hair density and thickness, but it's costly and needs more research.
September 2017 in “Journal of Investigative Dermatology” Aging causes sweat glands to shrink, leading to skin issues, and blue light can help hair grow.
42 citations
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July 1993 in “Journal of Investigative Dermatology” March 2026 in “Dyes and Pigments” Riboflavin and blue light speed up genipin hair dye, making it fast, glossy, stable, and eco-friendly.