102 citations
,
October 1996 in “Dermatologic Clinics” Photographic documentation crucial for evaluating hair growth in androgenetic alopecia.
June 2020 in “Journal of Investigative Dermatology” More research with diverse participants is needed to determine the effectiveness of photobiomodulation devices for hair loss treatment.
June 2017 in “Journal of The American Academy of Dermatology” LED light helps hair follicle cells grow and prevents them from dying by activating certain cell pathways.
56 citations
,
June 2015 in “Nature Protocols” Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.
7 citations
,
January 2002 in “PubMed” Prolonged UVB exposure causes significant skin changes and damage in rats.
33 citations
,
January 2017 in “Annals of Dermatology” LED light can help hair growth by activating specific cell pathways.
21 citations
,
September 2013 in “Journal of circadian rhythms” Intense exercise at night can delay the body's internal clock gene expression by 2 to 4 hours.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Red light exposure can slow aging in mice by improving fat metabolism.
January 2010 in “China Animal Husbandry & Veterinary Medicine” RORs may influence cashmere growth cycles.
2 citations
,
August 2020 in “Dermatologic Therapy” Higher energy, longer exposure, and pulse irradiation improve hair density in androgenetic alopecia treatment.
22 citations
,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
46 citations
,
November 2007 in “Gene Expression Patterns” Trps1 plays a key role in hair follicle development and cycling.
Low-level light therapy can promote hair growth by stimulating cell interactions in hair follicles.
16 citations
,
February 2014 in “Journal of Investigative Dermatology” Researchers developed a mouse model that tracks hair growth using bioluminescence, improving accuracy in studying hair cycles.
Red light exposure slows aging in mice by improving fat metabolism.
June 2026 in “British Journal of Dermatology” Photodynamic therapy for actinic keratosis can cause permanent hair loss.
2 citations
,
August 2016 in “Lasers in Surgery and Medicine” Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.
4 citations
,
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 2005 in “Cosmetic Surgery Times” Infrared light therapy helps regrow hair.
19 citations
,
March 2016 in “Frontiers in Plant Science” Spermidine is essential for plant growth and adaptation to stress.
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.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
5 citations
,
June 2011 in “PLoS ONE” Mammoth hair grew faster than human hair and showed seasonal changes in growth and mineral content.
40 citations
,
November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Different melanocyte types in hair follicles either survive or die during the catagen phase.
3 citations
,
May 1964 in “Nature”
17 citations
,
April 2004 in “Acta Clinica Belgica” UV light makes skin signs of lack of carotene and vitamin A more visible.
30 citations
,
December 2018 in “Trends in Endocrinology and Metabolism” Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.
February 2023 in “Cosmoderma” Combining red LED therapy with beta-carotene is more effective for treating photoaging than red LED therapy alone.
1 citations
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June 2025 in “British Journal of Dermatology” Smartwatch light therapy may help regrow hair in alopecia areata.
2 citations
,
January 2022 in “BioMed Research International” LED light therapy at 863 nm wavelength can slow down skin tumor growth and reduce inflammation in mice.