2 citations
,
January 2018 in “Annals of Dermatology” Early hair loss may be linked to metabolic syndrome.
2 citations
,
January 2003 in “Dermatologic surgery” The 800-nm pulsed diode laser is a safe and effective long-term treatment for trichostasis spinulosa in dark-skinned individuals.
221 citations
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July 2012 in “Proceedings of the National Academy of Sciences of the United States of America” BMAL1 controls skin cell growth and UV damage risk, peaking at night.
2 citations
,
January 2022 in “BioMed Research International” LED light therapy at 863 nm wavelength can slow down skin tumor growth and reduce inflammation in mice.
January 2026 in “Современные проблемы науки и образования (Modern Problems of Science and Education)” 308 nm excimer phototherapy can help some people with alopecia areata regrow hair, especially if their condition is less severe.
January 2026 in “Nature Communications” A wearable device using NIR light may help treat hair loss non-invasively.
3 citations
,
October 1979 in “Laboratory animals” Hairless rats are good for testing anti-inflammatory drugs, similar to haired rats, without needing to remove fur.
12 citations
,
January 2021 in “Dermatology Research and Practice” The 1927 nm Thulium laser effectively and safely treats postinflammatory hyperpigmentation in darker skin tones.
1 citations
,
March 2024 in “Brain Imaging and Stimulation” A low-cost, 3D-printed light therapy device is safe and effective but needs more testing before use on people.
47 citations
,
November 2000 in “Archives of dermatology” Pulsed infrared laser can effectively reduce symptoms of pseudofolliculitis barbae.
5 citations
,
October 2020 in “Veterinary record case reports” Fluorescent light energy may help treat skin infections in dogs with calcinosis cutis.
2 citations
,
February 2025 in “Dermatology and Therapy” UVF-dermoscopy is a useful tool for accurately diagnosing types of alopecia, especially in people with lighter skin.
22 citations
,
July 2004 in “International Journal of Cosmetic Science” UV radiation and visible light can damage hair, but there are ways to protect it.
December 2024 in “Journal of Biophotonics” Dual wavelength LEDs may help reduce hair loss by lowering DHT levels.
134 citations
,
September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
November 2025 in “Physics of Fluids” Low-intensity ultrasound can safely enhance hair regrowth by selecting the right frequency and intensity.
9 citations
,
September 2009 in “Journal of Cutaneous Medicine and Surgery” UV light causes skin color loss in bald areas; wear a cap and use sunscreen.
May 2023 in “Brazilian Journal of Animal and Environmental Research” Photobiomodulation effectively treats hair loss in dogs with black hair follicular dysplasia.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
2 citations
,
December 2024 in “Journal of Photochemistry and Photobiology B Biology” Pulsed wave red LED light is more effective than continuous wave light for promoting hair regrowth.
4 citations
,
June 2025 in “Journal of Cosmetic Dermatology” The triple-wavelength diode laser effectively and safely reduces hair and improves skin appearance in people with darker skin.
17 citations
,
October 2009 in “Dermatology” Ultraviolet light helped hair growth more effectively than triamcinolone acetonide.
Deleting Twist1 in skin cells reduces UVB-induced skin cancer risk.
1 citations
,
October 2023 in “Skin Research and Technology” Hair sunscreens were less effective than expected, especially for dark hair.
1 citations
,
July 2024 in “Journal of lasers in medical sciences” The laser treatment effectively improved facial pigmentation with no major side effects.
33 citations
,
January 2021 in “Aesthetic Surgery Journal” Low-Level Light Therapy (LLLT) is a safe and effective method for skin rejuvenation, acne treatment, wound healing, body contouring, and hair growth, but more well-designed trials are needed for confirmation.
43 citations
,
September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
April 2026 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” 1 citations
,
November 2023 in “Skin Appendage Disorders” 308 nm excimer lamp therapy is effective for alopecia areata but less so for severe cases.
45 citations
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May 2019 in “Scientific Reports” Low color temperature light (1900 K) benefits health by promoting melatonin, protecting eyes, and aiding healing.