February 2010 in “Journal of The American Academy of Dermatology” Low-level laser therapy increased hair growth compared to no treatment.
8 citations
,
March 2023 in “BMC Research Notes” Laser-capture microdissection effectively analyzes hair follicle microbiomes, revealing region-specific bacterial differences.
62 citations
,
July 2018 in “Lasers in Medical Science” LED therapy is safe and shows potential for treating skin conditions and promoting hair growth, but more research is needed.
18 citations
,
March 2009 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
February 2026 in “Optics” Stretching wool changes its structure and improves fiber alignment.
The 1540nm fractional erbium-glass laser helps treat hair loss caused by hormones.
The laser treatment effectively and safely improves hair lightening, pigment clearance, and skin rejuvenation.
47 citations
,
April 2012 in “Analytical and Bioanalytical Chemistry” 5 citations
,
July 2016 in “Experimental Dermatology” More research is needed before recommending photobiomodulation devices for hair loss treatment.
7 citations
,
January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
3 citations
,
June 2017 in “International Journal of Radiation Biology” Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.
12 citations
,
January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
January 2010 in “Elsevier eBooks” Hair color is important in many fields and is measured for various purposes.
1 citations
,
January 2009 in “Elsevier eBooks” Lasers can reduce hair growth but may also damage skin.
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.
19 citations
,
September 2011 in “Seminars in Cutaneous Medicine and Surgery” At-home laser and light skin devices are less effective than professional ones, with limited scientific evaluation, but some show promise for wrinkles, hair growth, and acne.
3 citations
,
March 2008 in “Medical laser application” Lasers have become safer and more effective for treating skin problems and hair removal.
16 citations
,
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.
7 citations
,
September 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” Photobiomodulation can help regrow hair in certain types of hair loss.
10 citations
,
January 2000 in “Journal Of Cutaneous Laser Therapy” Laser hair removal might also work by damaging blood vessels around hair follicles.
10 citations
,
January 2012 in “Journal of biomedical optics” Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
26 citations
,
April 2010 in “The American journal of dermatopathology/American journal of dermatopathology” Researchers created a standard system to grade hair damage using microscopic images.
May 2026 in “International Journal of Cosmetic Science” UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.
6 citations
,
January 2021 in “Annals of Dermatology” 650 nm red light helps hair grow and prevents hair loss by affecting certain genes and biological processes.
64 citations
,
June 2009 in “Photomedicine and Laser Surgery” Excimer light effectively treats various skin diseases, including psoriasis, vitiligo, and mycosis fungoides.
July 2021 in “British Journal of Dermatology” April 2026 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy”
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and prevents them from dying by activating specific growth pathways.
September 2017 in “Journal of Investigative Dermatology” Photodynamic therapy can potentially remove nonpigmented hair by damaging hair follicles.
25 citations
,
March 2002 in “Scanning” Confocal microscopy is better than scanning electron microscopy for studying hair in its natural state and understanding hair products' effects.