8 citations
,
July 2020 in “BMC genomics” In this study, ceruloplasmin and keratin 4 were identified as markers that differentiate between growing and resting phases in cashmere goat hair follicles, with keratin 4 being a potential marker for the onset of a new hair cycle.
This study observed increased proliferation and certain gene expressions in dermal papilla cells exposed to an 808 nm laser diode array at doses above 0.5 J/cm².
8 citations
,
May 1987 in “Journal of The American Academy of Dermatology” In this study, ultraviolet light did not significantly enhance or worsen hair growth induced by topical minoxidil in men with male pattern baldness.
7 citations
,
December 2020 in “Clinics in Dermatology” This article reviews the use of various treatments for alopecia and their potential impact on COVID-19 outcomes, emphasizing the importance of patient registries in generating real-world evidence; it reports no new results.
7 citations
,
October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.
7 citations
,
September 2004 in “International Journal of Cosmetic Science” This study demonstrated that visible light lightens blond hair more effectively than ultraviolet light, attacking melanin granules directly, whereas ultraviolet light primarily damages other hair tissues following washing.
6 citations
,
July 2021 in “Microbial biotechnology” This study found that combining LED yellow light with an engineered strain expressing CXCL12 improved wound healing and reduced inflammation in a mouse model of scald wounds.
6 citations
,
January 2021 in “Annals of Dermatology” This study found that 650-nm red light treatment promoted hair follicle proliferation and delayed the transition from anagen to catagen in ex vivo hair follicles from androgenetic alopecia patients, with RNA-seq analysis suggesting involvement of biological processes like metabolism and leukocyte migration.
6 citations
,
May 2020 in “Nutrients” This review discusses the effects of calorie restriction on skin aging, highlighting its potential to benefit skin health by reducing age-related and photo-induced changes, although the impact of certain diets remains unexplored.
6 citations
,
October 2018 in “Lasers in Medical Science” This article explores the potential of photobiomodulation for coronary health, suggesting protective effects after heart attacks and in inaccessible ischemic heart conditions, but presents no new clinical results.
6 citations
,
September 2018 in “Journal of Dermatological Treatment” This review examines the FDA's 510(k) approval process for low-level laser therapy devices used in treating androgenetic alopecia and reports no new clinical findings.
6 citations
,
August 1993 in “Archives of Dermatology” This study found that polymorphous light eruption (PLE) may include a wide range of conditions, requiring careful differentiation from similar skin disorders such as benign summer light eruption.
5 citations
,
October 2020 in “Veterinary record case reports” In this case report, a 15-year-old golden retriever with calcinosis cutis showed accelerated improvement in FLE-treated skin infections compared to untreated areas, highlighting FLE's potential as a treatment adjunct.
5 citations
,
November 2014 in “Hair transplant forum international” This article introduces a series on low level laser light therapy, focusing on its science, regulatory aspects, and controlled trial methodologies, but reports no new clinical results.
5 citations
,
September 2005 in “Dermatologic Surgery” This study reports that using LED polarized magnification in hair transplant recipient sites can reduce eye strain and improve ease of site creation, but offers no graft placement advantage over traditional methods.
4 citations
,
September 2023 in “Journal of Dermatological Treatment” In this study, the use of wellness apparel emitting red and NIR light was associated with improved disease severity in patients with mild elbow psoriasis, PMLE, and limited AA, though the small sample size and continued use of other treatments were noted as limitations.
4 citations
,
June 2022 in “Journal of cleaner production” This study found that a new eco-friendly hair crosslinking method using visible light and non-toxic chemicals caused less damage and improved mechanical properties compared to traditional thioglycolic acid treatment.
4 citations
,
March 2013 in “The American Journal of Cosmetic Surgery” This review discusses how hair follicle light sensitivity is linked to mesenchymal remodeling and suggests that this connection influences photoepilation outcomes and optimal treatment strategies, reporting no new clinical results.
3 citations
,
January 2025 in “Biomaterials Science” In this study, blue light-irradiated nanovesicles derived from human adipose-derived stem cells enhanced dermal fibroblast proliferation and extracellular matrix synthesis, improving skin maintenance and hair follicle regeneration, suggesting a novel therapeutic strategy for skin and hair disorders.
3 citations
,
June 2023 in “ACS sustainable chemistry & engineering” In this study, a method using riboflavin phosphate, citric acid, and polyols successfully optimized protein cross-linking in hair of all colors through visible light-mediated photo-cross-linking, improving the mechanical properties and hair-setting effects without the influence of hair color.
3 citations
,
January 2005 in “Photochemistry and Photobiology” This study found that overexpression of PKCɛ in mouse epidermis increased sensitivity to metastatic squamous cell carcinoma, suggesting that a PKCɛ-mediated microenvironment may promote cancer development through specific cytokines like TNFα.
3 citations
,
July 2003 in “PubMed” This study found that laser-based goniophotometry can effectively monitor changes in hair surface reflection related to color and cuticle cell tilt across different ethnic origins.
3 citations
,
October 1979 in “Laboratory animals” This study found that phenylbutazone and fluocinolone acetonide have similar anti-redness effects in both haired and hairless animals, making hairless rats a potential alternative for testing without needing depilation.
2 citations
,
March 2025 in “Archives of Dermatological Research” HEV light can harm or help skin and scalp, so safe exposure guidelines are needed.
2 citations
,
January 2007 in “Journal of The American Academy of Dermatology” Red and infrared light therapy improves hair growth in balding patients.
1 citations
,
February 2025 in “Archives of Dermatological Research” Using Excimer light with topical steroids is the most effective treatment for alopecia areata.
1 citations
,
February 2025 in “Photodermatology Photoimmunology & Photomedicine” This study found that 830 nm LED light effectively treated post-inflammatory erythema and hyperpigmentation, while both 830 nm and 590 nm LEDs prevented post-inflammatory erythema.
1 citations
,
January 2024 in “Dermatologic Therapy” This study found that combining excimer light at 308 nm with tacrolimus 0.1% was more effective in treating alopecia areata of the scalp compared to excimer light alone, as indicated by a greater reduction in the SALT score and better improvement in Treg function.
1 citations
,
July 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” This review discusses various topics from the 62nd Annual Montagna Symposium on the Biology of Skin, focusing on the diverse effects of light on skin biology, and reports no new clinical results.
1 citations
,
March 2006 in “Dermatologic Surgery” This study found that using polarized magnification during hair transplant procedures may ease recipient site creation and reduce transection of existing hair follicles, potentially maximizing hair density.