June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Pulsed red light boosts collagen and energy in cells faster than continuous red light.
January 2016 in “프로그램북(구 초록집)” LED light promotes hair growth by stimulating cell proliferation and reducing cell death.
August 2021 in “Journal of advances in medicine and medical research” Excimer light therapy is more effective than low level laser therapy for treating alopecia areata.
5 citations
,
July 2016 in “Experimental Dermatology” More research is needed before recommending photobiomodulation devices for hair loss treatment.
6 citations
,
November 2018 in “Photodiagnosis and Photodynamic Therapy” A wearable cap-like device using light therapy reduced scalp skin lesions by 71% and was painless.
December 2024 in “Dermatologic Surgery”
1 citations
,
April 2023 in “Canadian journal of ophthalmology” Using a diode laser for hair removal without eye protection can cause serious eye injuries.
December 2025 in “Journal of Education Health and Sport” LED therapy is safe and effective for improving skin health and appearance.
June 2017 in “Journal of The American Academy of Dermatology” LED light helps hair follicle cells grow and prevents them from dying by activating certain cell pathways.
1 citations
,
January 2016 in “Journal of Advanced Plastic Surgery Research” The laser treatment effectively reduced hair growth in women with hirsutism, with temporary side effects.
4 citations
,
August 2015 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Both fixed and incremental laser treatments effectively reduced underarm hair, but the fixed method was less painful.
1 citations
,
November 2023 in “Journal of Cutaneous and Aesthetic Surgery” Diode laser treatment is safe and effective for reducing unwanted facial hair in hirsutism.
2 citations
,
March 2025 in “Archives of Dermatological Research” HEV light can harm or help skin and scalp, so safe exposure guidelines are needed.
2 citations
,
May 2023 in “Photobiomodulation, photomedicine, and laser surgery” Light therapy is effective and safe for treating skin color disorders like vitiligo and dark spots.
December 2022 in “IntechOpen eBooks” 308 excimer phototherapy is a safe and effective way to treat hair loss from Alopecia Areata.
14 citations
,
March 2012 in “Lasers in Surgery and Medicine” A low-power, fast laser safely reduces hair with minimal pain and few side effects.
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.
February 2022 in “Veterinary record case reports” Light therapy successfully treated a dog's hair growth problem without side effects.
160 citations
,
December 2016 in “Journal of biophotonics” Low-level laser therapy, now called photobiomodulation, is recognized for its broad medical applications and scientific backing.
11 citations
,
January 2023 in “Biophysics Reviews” Light-based bioelectronic devices improve health monitoring and disease treatment.
20 citations
,
November 2014 in “JAMA dermatology” The 810-nm diode laser improves skin texture in keratosis pilaris but not redness.
21 citations
,
March 2020 in “Journal of lasers in medical sciences” Diode laser hair removal is effective and safe, but side effects vary by ethnicity and treatment number.
June 2020 in “Journal of Investigative Dermatology” More research with diverse participants is needed to determine the effectiveness of photobiomodulation devices for hair loss treatment.
Low-level light therapy can promote hair growth by stimulating cell interactions in hair follicles.
May 2023 in “Brazilian Journal of Animal and Environmental Research” Photobiomodulation effectively treats hair loss in dogs with black hair follicular dysplasia.
September 2025 in “Lasers in Medical Science”
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.
1 citations
,
August 2016 in “Pan Stanford Publishing Pte. Ltd. eBooks” Low-level light therapy can help with hair growth and preventing hair loss.
Laser diode light boosts hair follicle cell growth and certain gene expressions.
April 2026 in “Biosensors” Red light increases hair follicles and ATP in mouse skin.