July 2023 in “Biomolecules” The circadian clock plays a key role in hair growth and its disruption can affect hair regeneration.
January 2022 in “Figshare” Melatonin affects when and how certain genes work during the different stages of hair growth in goats.
1 citations
,
September 2024 in “iScience” Disrupted sleep patterns from artificial light can slow hair growth and may lead to hair loss.
9 citations
,
July 2018 in “European journal of dermatology/EJD. European journal of dermatology” Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.
1 citations
,
August 2019 in “Research Square (Research Square)” Cashmere goats have a hair growth cycle with specific genes regulating growth, regression, and resting periods.
April 2023 in “Tropical Animal Health and Production” Giving melatonin to sheep before the non-breeding season can improve their chances of reproducing in northwest Mexico.
11 citations
,
November 2002 in “Dermatologic Surgery” IPL can cause unexpected hair growth in nearby untreated areas.
9 citations
,
January 2018 in “Medical research archives” Low-intensity light therapy is effective for skin healing, reducing inflammation, and treating various skin conditions.
35 citations
,
December 2014 in “Lasers in surgery and medicine” Red light promotes hair growth by directly stimulating hair cells and improving cell communication.
January 2022 in “Figshare” Melatonin affects when and how goat hair grows by changing gene activity at different stages.
56 citations
,
March 2017 in “Plant and Cell Physiology” Light sheet fluorescence microscopy effectively measures calcium changes in Arabidopsis root hairs.
12 citations
,
January 2019 in “Sleep medicine” Night shift work disrupts the body's natural clock genes.
Melatonin shortens the hair growth cycle by increasing PDGFA gene expression.
9 citations
,
February 2022 in “BMC Genomics” Melatonin affects gene expression in goat hair follicles, potentially increasing cashmere production.
46 citations
,
January 1991 in “Tissue and Cell” The male silkmoth's antenna develops olfactory structures over 21 days, with full hair formation by day 15.
36 citations
,
April 2016 in “Experimental Dermatology” Photobiomodulation may help with hair growth and wound healing, but research is inconsistent and needs better quality studies.
37 citations
,
January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
21 citations
,
May 2022 in “Frontiers in Cell and Developmental Biology” Hair growth and health are influenced by factors like age, environment, and nutrition, and are controlled by various molecular pathways. Red light can promote hair growth, and understanding these processes can help treat hair-related diseases.
3 citations
,
May 1979 in “PubMed”
73 citations
,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow 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.
Delta-opioid receptors affect skin cell circadian rhythms, possibly impacting wound healing and cancer.
50 citations
,
October 1918 in “The journal of experimental zoology” Artificially inducing hair regrowth in mice can change the normal pattern and timing of hair growth, with minimal color differences between old and new fur.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth cycles need varied signals in space and time.
14 citations
,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
February 2025 in “International Journal of Molecular Sciences” RORA plays a key role in controlling seasonal hair molting by affecting hair follicle cell activity.
166 citations
,
August 2010 in “Proceedings of the National Academy of Sciences of the United States of America” Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.
January 2024 in “Open MIND” Melatonin and photobiomodulation both help hair regrowth in German Spitz dogs with alopecia X.
March 2024 in “Medical lasers” Multiple-wavelength radiation helps hair grow by boosting early hair follicle development.