Red light therapy is safe and works well for hair loss.
October 2024 in “Photodermatology Photoimmunology & Photomedicine” Red LED therapy is more effective than green LED for improving hair growth in androgenetic alopecia.
January 2026 in “SSRN Electronic Journal” Riboflavin with blue light speeds up hair dyeing, making it faster, safer, and long-lasting with less hair damage.
December 2025 in “Aesthetic Plastic Surgery” The new near-infrared LED device improves skin and hair with no side effects.
5 citations
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February 2012 in “Australasian Journal of Dermatology” Two red-haired men with alopecia areata regrew black hair instead of red.
16 citations
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April 2025 in “Journal of the American Academy of Dermatology” Photobiomodulation is safe and effective for treating certain conditions like nerve pain and hair loss.
10 citations
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September 2022 in “Journal of Biophotonics” Blue light therapy is safe for skin and may protect against UV radiation.
2 citations
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October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
October 1997 in “Dermatologic Surgery” The Epilight Hair Removal System is effective for temporary hair removal with few side effects, but more research is needed to confirm its safety and long-term results.
3 citations
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October 1979 in “Laboratory animals” Hairless rats are good for testing anti-inflammatory drugs, similar to haired rats, without needing to remove fur.