21 citations,
January 2012 in “Annals of Dermatology” 17α-Estradiol solution safely improves hair density and thickness in female pattern hair loss.
16 citations,
July 2013 in “The American Journal of Dermatopathology” Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.
6 citations,
January 2017 in “Annals of Dermatology” Combination of 17α-estradiol and minoxidil improves hair growth and reduces hair loss in most patients.
38 citations,
December 2011 in “British Journal of Dermatology” Menopause-related hormonal changes affect hair but are not the only cause of hair changes in middle-aged women.
33 citations,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
100 citations,
November 1996 in “Molecular Medicine Today” Growth factors and cytokines are important for hair growth and could potentially treat hair loss, but more research is needed to overcome challenges before they can be used in treatments.
10 citations,
June 2019 in “International Journal of Cosmetic Science” Some plant-based chemicals may help with hair growth, but more research is needed to confirm their effectiveness.
1 citations,
June 1938 in “New England journal of medicine/The New England journal of medicine” Hair analysis can offer clues about a person, but individual differences limit making precise identifications.
53 citations,
October 2014 in “Free radical biology & medicine” Defective mitochondrial DNA replication causes aging symptoms and increased oxidative damage in mice.
2 citations,
October 2023 in “Science advances” Touching hair can activate nearby nerve cells through signals from the hair's outer layer.
Enterococcus faecalis delays wound healing by disrupting cell functions and creating an anti-inflammatory environment.
7 citations,
August 2018 in “The American Journal of Dermatopathology” Researchers found a new early sign of Frontal Fibrosing Alopecia that could help avoid misdiagnosis.
89 citations,
August 2013 in “PloS one” Androgen receptors are active in many tissues of both male and female mice, not just reproductive organs.
10 citations,
July 2014 in “Veterinary dermatology” Deslorelin may help intact male dogs regrow hair from alopecia X, with a 75% success rate and no side effects.
3 citations,
May 2018 in “The Journal of the American Animal Hospital Association/Journal of the American Animal Hospital Association” Deslorelin implants successfully treated hair loss in two male Keeshonden dogs.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Mouse skin glands need healthy nerves to grow properly during hair growth phases.
December 2023 in “Animals” The study mapped yak skin cells to understand hair growth better.
April 2012 in “Informa Healthcare eBooks” The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.
91 citations,
January 2009 in “International Journal of Trichology” Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.
1 citations,
March 1994 in “Proceedings of the British Society of Animal Production” Prolactin and melatonin affect the growth of Angora and Cashmere goat hair differently.
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.
78 citations,
August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.
41 citations,
September 2012 in “Cellular and Molecular Life Sciences” MicroRNAs play a crucial role in skin and hair health, affecting everything from growth to aging, and could potentially be used in treating skin diseases.
2 citations,
March 2019 in “Lasers in surgery and medicine” Higher light doses cause more damage to hair follicles, predicting better hair removal results.
October 2023 in “JOJ dermatology & cosmetics” Thiocyanate helps hair growth and can be supplemented in diet or applied topically.
April 2018 in “Journal of Investigative Dermatology” Light can activate hair growth through a pathway from the eyes to hair follicles.
55 citations,
April 2017 in “Experimental Dermatology” The document describes a way to isolate and grow human hair follicle cells in 3D to help study hair growth.
23 citations,
April 1999 in “Dermatologic Clinics” Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.
66 citations,
July 2015 in “Journal of Molecular Biology” The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.