January 2015 in “Przegla̧d dermatologiczny” Intralesional triamcinolone is the most effective treatment for alopecia areata, followed by excimer light therapy, and then topical minoxidil. The scalp responds better to treatment than the beard area.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
May 2006 in “Dermatologic Surgery” Radiation therapy successfully treated an elderly man's skin cancer and pre-cancerous scalp lesions.
165 citations,
August 2013 in “Lasers in Surgery and Medicine” Low-Level Laser Therapy is effective and safe for hair growth with minimal side effects.
106 citations,
April 2013 in “Dermatologic Surgery” Low-level light therapy safely improves hair growth and thickness for androgenetic alopecia.
90 citations,
January 2009 in “Journal of cosmetic and laser therapy” Low-level laser therapy might help hair growth, but more research is needed.
73 citations,
April 1999 in “Dermatologic Clinics” Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.
67 citations,
October 1997 in “Dermatologic Surgery” The EpiLight Hair Removal System removed about 60% of hair with some side effects, and more research is needed to confirm long-term effectiveness.
34 citations,
May 2017 in “Lasers in Surgery and Medicine” Combining low-level light therapy and minoxidil 5% is more effective for female hair loss than using either treatment alone.
25 citations,
October 2012 in “Dermatologic clinics” Laser and light treatments can effectively remove hair long-term.
23 citations,
April 1999 in “Dermatologic Clinics” Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.
10 citations,
January 2013 in “Journal of The European Academy of Dermatology and Venereology” The home-use IPL device effectively reduced hair and delayed its regrowth after six months of use, with users happy and no negative side effects.
7 citations,
July 2004 in “International Journal of Cosmetic Science” Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.
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.
6 citations,
June 2013 in “British Journal of Dermatology” Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
5 citations,
October 2020 in “Lasers in Medical Science” Combination therapy works best for female hair loss, increasing density and thickness.
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.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Higher fluence in hair removal damages hair follicles more, while lower fluence mimics natural hair regression, with long-term IPL treatments effectively reducing hair.
7 citations,
July 2020 in “Pigment cell & melanoma research” RT1640 treatment reverses gray hair and promotes hair growth in mice.
64 citations,
June 2009 in “Photomedicine and Laser Surgery” Excimer light effectively treats various skin diseases, including psoriasis, vitiligo, and mycosis fungoides.
6 citations,
November 2013 in “International Journal of Radiation Biology” Gamma-rays exposure during the resting phase of hair growth can damage hair regeneration and color in mice.
62 citations,
October 2013 in “Journal of Human Evolution/Journal of human evolution” Forensic DNA Phenotyping can help predict physical traits from crime scene DNA to identify suspects.
13 citations,
September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
6 citations,
December 2016 in “Springer eBooks” Environmental stressors like UV radiation, pollution, and extreme temperatures can damage skin and lead to diseases and aging.
40 citations,
February 2012 in “Dermatology Online Journal” Lasers might help hair growth in some alopecia cases, but more research is needed to confirm their effectiveness and safety.
39 citations,
June 2017 in “Scientific Reports” Different lab conditions and light treatment methods change how human skin cells respond to light therapy.
25 citations,
April 2018 in “Electromagnetic biology and medicine” Mobile phone radiation may cause DNA damage in human ear hair follicle cells.
23 citations,
July 2021 in “Life” Blue light can help treat skin conditions like eczema and acne without major side effects.
16 citations,
November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
9 citations,
January 2018 in “Medical research archives” Low-intensity light therapy is effective for skin healing, reducing inflammation, and treating various skin conditions.