April 2020 in “The Aesthetics” LED-LLLT helps heal wounds, reduce pain, and regrow hair using specific light wavelengths.
7 citations
,
September 2004 in “International Journal of Cosmetic Science” Blond hair lightens more with visible light directly, while ultraviolet light lightens it after washing by damaging other hair parts.
47 citations
,
April 2012 in “Analytical and Bioanalytical Chemistry” Laser diode light boosts hair follicle cell growth and certain gene expressions.
November 2025 in “Journal of Investigative Dermatology” Light skin shows more inflammation from sun exposure than dark skin.
10 citations
,
May 1983 in “International Journal of Dermatology” Some people with severe hair loss saw hair regrowth after a specific light and drug treatment.
19 citations
,
July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
July 2024 in “Journal of Investigative Dermatology” Bioengineered skin models aging well, useful for studying aging and testing treatments.
25 citations
,
October 2022 in “Ophthalmic Research” Red light therapy temporarily increased blood flow in the eye but didn't change other eye structures.
June 2023 in “RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218” Phototherapy is a safe and effective treatment for hair loss, but choosing the right power level is important.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and move by activating certain cell pathways.
4 citations
,
January 2023 in “Experimental dermatology” Skin thickness decreases and structural changes occur with both ageing and sun exposure in certain skin types.
2 citations
,
June 2020 in “Dermatology and therapy” Narrowband-UVB phototherapy successfully treated a rare case of Graham Little-Piccardi-Lassueur syndrome.
2 citations
,
June 2020 in “Journal of Investigative Dermatology” 3D imaging of skin biopsies offers better accuracy but is time-consuming and can't clear melanin.
23 citations
,
July 2021 in “Life” Blue light can help treat skin conditions like eczema and acne without major side effects.
7 citations
,
January 2003 in “Journal of cosmetic and laser therapy” The filterless flashlamp-based system effectively delays hair regrowth and improves skin condition.
6 citations
,
April 2021 in “Scientific Reports” Phytochrome A is crucial for normal metabolism and development in tomato seedlings under far-red light.
3 citations
,
January 2010 54 citations
,
March 1991 in “Proceedings of the National Academy of Sciences” This model can replace animal testing for quick, cost-effective skin toxicity tests.
10 citations
,
March 2016 in “Toxicology and applied pharmacology” Using A132 hair dye with sunlight can cause skin damage and hair loss.
June 2001 in “Proceedings of SPIE” Low energy laser therapy effectively treats certain skin conditions and improves recovery time without side effects.
11 citations
,
April 2022 in “International Journal of Molecular Sciences” Understanding the Wnt/β-catenin pathway and photobiomodulation could improve diabetic wound healing.
May 2025 in “American Journal of Veterinary Research” Photobiomodulation did not significantly improve hair density in dogs with alopecia X.
5 citations
,
October 2023 in “International Wound Journal” The portable LED device speeds up wound healing.
134 citations
,
September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
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.
4 citations
,
August 2015 in “Journal of Cosmetic Dermatology” Sunscreens with UVA blockers effectively reduce skin fluorescence for several hours.
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.
Photobiomodulation improves the quality of life for people with hair loss.