January 2022 in “Figshare” Melatonin affects when and how goat hair follicle genes turn on and off during growth cycles.
7 citations
,
September 2017 in “Advances in Clinical and Experimental Medicine” Lanugo hair develops earlier on the back than the front of human fetuses.
December 2015 in “OPAL (Open@LaTrobe) (La Trobe University)” Estrogen speeds up hair follicle cell death, causing early hair growth cycle changes, but only if a specific receptor is present.
40 citations
,
June 2011 in “Journal of biological chemistry/The Journal of biological chemistry” FA2H is essential for normal fur and sebum production in mice.
6 citations
,
February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
23 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain chemicals and peptides can promote hair growth or prevent baldness.
January 2022 in “Figshare” Melatonin affects when and how goat hair follicle genes turn on and off during growth cycles.
45 citations
,
January 2010 in “Forensic science international” Neonatal hair can help determine drug exposure during pregnancy.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Older age increases positive hair alcohol test results, and chest hair is a good alternative for testing; season affects results, with higher levels in winter.
1 citations
,
July 2009 in “Journal of dermatology” A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
77 citations
,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
24 citations
,
November 1997 in “Journal of Biological Chemistry” Mouse high-glycine/tyrosine proteins have distinct patterns in hair follicles, peaking at specific hair cycle days.
24 citations
,
January 2015 in “Evidence-based Complementary and Alternative Medicine” Polygonum multiflorum can promote hair growth when taken orally or applied topically.
20 citations
,
February 1977 in “The anatomical record” Excess vitamin A changes skin and hair follicle development and affects polysaccharide distribution.
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 2012 in “J. Willard Marriott Library” Cannabinoids like THC and THCA get into hair through skin oils, not hair color.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
189 citations
,
July 2000 in “American Journal of Botany” Arabidopsis thaliana root hairs efficiently acquire phosphorus in low-phosphorus conditions.
15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
Tan sheep's unique fur traits are determined during the embryonic stage by specific genes.
1 citations
,
October 2017 Suruhan extract made rabbit hair grow longer but didn't increase hair thickness.
21 citations
,
December 2015 in “European journal of cell biology” Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.
7 citations
,
January 2012 California Ground Squirrel hair can indicate environmental health by showing element accumulation.
39 citations
,
July 2005 in “Current medical research and opinion” Topical cream eflornithine 11.5% can slow hair growth and may help reduce hair removal frequency.
4 citations
,
July 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Testosterone increases hair follicle cell growth when beard or axillary skin cells are present together.
9 citations
,
December 2021 in “Molecules” Certain compounds in three Polynesian plants may help hair growth.
April 2018 in “Journal of Investigative Dermatology” STIM1 is essential for sweat secretion.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.