26 citations,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
24 citations,
April 2020 in “Cells” DNA methylation and long non-coding RNAs are key in controlling hair growth in Cashmere goats.
17 citations,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
16 citations,
June 2008 in “Springer eBooks” Over 50% of women over 50 experience hair loss, with minoxidil being the only proven effective treatment.
14 citations,
March 2015 in “Clinical and Experimental Dermatology” Human placental extract and minoxidil together significantly promote hair growth.
7 citations,
November 2019 in “Animal” Melatonin increases cashmere quality in goats but reduces their milk production and doesn't affect their offspring's hair growth.
6 citations,
August 2013 in “Joint Bone Spine” Tocilizumab treatment was associated with significant hair regrowth in one patient and temporary hair loss followed by regrowth in another.
5 citations,
September 2012 in “Journal of Investigative Dermatology” Scientists can mimic hair disorders by altering genes in lab-grown human hair follicles, but these follicles lack some features of natural ones.
3 citations,
January 2016 in “Biotechnology and Bioprocess Engineering” Laminaria japonica extract with IGF-1 improved mouse hair growth and could be a potential alopecia treatment.
2 citations,
January 2023 in “International journal of biological sciences” Gray hair can potentially be reversed, leading to new treatments.
1 citations,
January 2018 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” The herbal extract was found to effectively reduce and prevent hair loss without any side effects.
May 2023 in “Brazilian Journal of Animal and Environmental Research” Photobiomodulation effectively treats hair loss in dogs with black hair follicular dysplasia.
December 2022 in “International Journal of Biomedicine” Androgens may worsen COVID-19 and hair loss could indicate the disease's severity.
13 citations,
September 2015 in “Aesthetic Surgery Journal” Transplanting hair from the nape and around the ear to the hairline and temples generally satisfies patients and looks natural.
11 citations,
February 2008 in “British journal of nursing” Idiopathic hirsutism causes excessive hair growth in women, can be treated with medication and hair removal, but cannot be fully reversed.
8 citations,
January 2022 in “Burns and trauma” Skin cell-derived vesicles can help heal skin injuries effectively.
157 citations,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
43 citations,
April 2017 in “Experimental Dermatology” Female pattern hair loss has unclear causes, possibly involving genetics, hormones, and environment, and needs better treatments.
12 citations,
October 2012 in “Dermatologic Clinics” Low-Level Laser Therapy and other light treatments for hair growth lack strong evidence and need more research.
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.
4 citations,
August 2019 in “General and Comparative Endocrinology” Male yak hair growth is influenced by DHT synthesis, which is promoted by 5α-red1 and AR during growth phases, while E2 may inhibit growth through ERα.
1 citations,
April 2024 in “Journal of Pharmaceutical and Pharmacological Sciences” The mouse models are effective for testing new hair loss treatments.
1 citations,
May 2017 in “InTech eBooks” Some natural remedies may help with hair regrowth, but more research is needed to confirm their effectiveness and safety.
47 citations,
August 2016 in “Fitoterapia” Some herbs and their components might help treat hair loss by affecting various biological pathways, but more research and regulation are needed.
April 2021 in “Journal of Investigative Dermatology” Cyclooxygenase-2 overexpression in mice skin causes hair loss like human androgenetic alopecia.
33 citations,
April 2012 in “British Journal of Dermatology” Damaged hair follicle stem cells can cause permanent hair loss, but understanding their role could lead to new treatments.
4 citations,
April 2010 in “Expert review of dermatology” Restoring immune privilege in hair follicles could help treat certain types of hair loss.
43 citations,
November 2013 in “Journal of Investigative Dermatology” Organotypic culture systems can grow skin tissues that mimic real skin functions and are useful for skin disease and hair growth research, but they don't fully replicate skin complexity.
38 citations,
September 2017 in “Oncologist” Scalp cooling can help prevent chemotherapy-induced hair loss with a 50-90% success rate and is safe for patients.
32 citations,
July 2021 in “Journal of The American Academy of Dermatology” Hair loss from COVID-19 usually starts around 45 days after infection and lasts about 47.5 days.