January 2017 in “Durham e-Theses (Durham University)” Chemical stressors damage hair structure but the skin's outer layer protects living 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.
March 2024 in “GSC Advanced Research and Reviews” Different light affects cell functions and can help treat skin conditions.
4 citations
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April 2014 in “Lasers in Surgery and Medicine” TRASER effectively targets blood vessels and hair follicles for potential use in vascular and hair removal treatments.
January 2024 in “Defence life science journal” Light therapy can help heal soft tissue injuries and reduce pain and inflammation.
7 citations
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June 2019 in “Coloration Technology” Translucent keratin films are better for testing hair dyes.
September 2025 in “International Journal of Innovative Technologies in Social Science” Red light therapy may help rejuvenate skin and regrow hair.
23 citations
,
December 2001 in “Lasers in Surgery and Medicine” Permanent hair removal is hard, but using longer laser pulses at lower power might improve results.
57 citations
,
December 2011 in “Lasers in Surgery and Medicine” Selective photothermolysis can target sebaceous glands and may treat acne effectively.
January 2019 in “Durham e-Theses (Durham University)” Advanced microscopy shows hair damage and keratin proteins' roles, aiding future cosmetic treatments.
1 citations
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January 2023 in “Frontiers in Physiology” The method allows precise cell removal without harming nearby tissues.
7 citations
,
January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
43 citations
,
September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
5 citations
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September 2023 in “Molecules” These methods help understand cell structures and reactions.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
September 2017 in “Journal of Investigative Dermatology” Photodynamic therapy can potentially remove nonpigmented hair by damaging hair follicles.
65 citations
,
November 2008 in “Pediatric Dermatology” Phototherapy is effective and well-tolerated for treating childhood psoriasis and pityriasis lichenoides chronica.
60 citations
,
October 2010 in “Molecular Imaging and Biology” Increased skin pigmentation in mice reduces bioluminescent signal accuracy.
9 citations
,
August 2017 in “Photochemistry and Photobiology” Red light at 627 nm can safely trigger IL-4 release in skin cells, potentially helping treat inflammatory skin conditions.
March 2026 in “Mendeley Data” March 2026 in “Mendeley Data” 10 citations
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March 2024 in “Frontiers in Bioengineering and Biotechnology” Photothermal hydrogels can kill bacteria and help heal tissue using light-converted heat.
15 citations
,
July 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” Fluorescence can effectively measure acne treatment progress.
1 citations
,
July 2023 in “Journal of Biophotonics” Red light at 8 mW/cm2 most effectively promotes hair cell growth and affects key growth pathways, especially in cells treated with a hair loss-related hormone.
3 citations
,
March 2013 in “QScience Connect” Photodynamic therapy with methylene blue and a laser effectively destroys hair follicles better than traditional laser hair removal.
November 2023 in “Journal of Cosmetic and Laser Therapy” Most alopecia patients are open to trying light therapy, especially at-home devices, but cost is a big factor in their willingness.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
3 citations
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September 2023 in “Journal of Photochemistry and Photobiology A Chemistry” 2 citations
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November 2025 in “Pharmaceutics” Moderately lipophilic dyes penetrate skin deeply, while highly hydrophobic or lipophilic dyes stay on the surface.
April 2016 in “Proceedings of SPIE” UV-induced autofluorescence is effective for identifying different types of alopecia.