13 citations
,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
34 citations
,
August 2002 in “British Journal of Dermatology” ALA-PDT is effective and safe for chronic X-ray dermatitis, providing complete or partial remission.
2 citations
,
December 2013 in “Journal of Cosmetic Dermatology” UV treatment can damage hair, so protection is advised.
March 2026 in “Frontiers in Cell and Developmental Biology” Photobiomodulation may help reduce pain and inflammation in knee osteoarthritis, but its long-term benefits are unclear.
June 2025 in “Cell Regeneration” Lack of a certain enzyme causes hair to grey early by damaging stem cells, but an antioxidant can help prevent this.
December 2020 in “Lasers in Surgery and Medicine” Laser safely and effectively removes unwanted scalp micropigmentation.
23 citations
,
May 2010 in “Surface and interface analysis” Chemical treatments and UV radiation severely damage the lipid layer on hair.
6 citations
,
September 2020 in “Advanced Biology” Blue-light activation of TrkA improves hair-follicle stem cells' ability to become neurons and glial cells.
January 2017 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Sunlight and chemical treatments change hair's internal structure differently, needing specific care.
77 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
April 2016 in “Journal of The American Academy of Dermatology” Daylight photodynamic therapy is effective and well-tolerated for treating actinic keratoses with minimal side effects.
3 citations
,
May 2018 in “European Journal of Dermatology” Photodynamic therapy may not work for erythroplasia of Queyrat and could lead to invasive squamous cell carcinoma.
56 citations
,
December 1978 in “The Journal of Dermatologic Surgery and Oncology” Transplanting small skin grafts can successfully repigment leukoderma.
17 citations
,
March 2005 in “Journal of Investigative Dermatology” Autofluorescence in hair follicle stem cells can interfere with studies but may help isolate these cells.
February 2025 in “Journal of Cosmetic Dermatology” Temporary facial blanching can occur after Botulinum toxin injections, but it resolves without discomfort.
December 2025 in “Lasers in Medical Science” Combining red laser therapy with minoxidil improves hair growth more effectively than minoxidil alone in women with hair loss.
20 citations
,
August 1981 in “Developmental Medicine & Child Neurology” 13 citations
,
June 1981 in “Developmental Medicine & Child Neurology”
64 citations
,
June 2020 in “PLoS ONE” Red light boosts beneficial compounds in Eclipta alba cultures.
36 citations
,
July 2004 in “Journal of Controlled Release” The dye quickly penetrates hair follicles, mainly through the gap, not the surrounding skin.
9 citations
,
November 1999 in “Annals of Plastic Surgery” Ruby laser hair removal does not cause increased cell growth in the skin.
Chemical treatments weaken hair's thermal stability and structure.
9 citations
,
May 2016 in “Clinics in dermatology” Phototherapy can help treat hair loss in alopecia areata.
March 2020 in “Journal of Laser Applications” Photobiomodulation therapy significantly increases hair density and growth for androgenic alopecia, but more research is needed to confirm safety.
April 2020 in “The Aesthetics” LED-LLLT helps heal wounds, reduce pain, and regrow hair using specific light wavelengths.
June 2018 in “Research Repository (Kingston University London)”
1 citations
,
January 2019 in “Journal of The Korean Institute of Illuminating and Electrical Installation Engineers” LED light at specific wavelengths can help fight dandruff and promote hair growth without increasing inflammation.
4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
12 citations
,
August 2021 in “Biomedical Photonics” Photobiomodulation therapy reduces pain and stress after septoplasty.
The laser treatment effectively and safely improves hair lightening, pigment clearance, and skin rejuvenation.