September 2016 in “Journal of dermatological science” HAP stem cells can repair nerves and spinal cords by becoming Schwann cells.
October 2022 in “Hair Transplantation” Be ready for emergencies during hair restoration surgery.
December 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” New cells join the hair's dermal papilla during the growth phase, possibly affecting hair thickness.
Tan sheep's unique fur traits are determined during the embryonic stage by specific genes.
5 citations
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December 2011 in “Canadian Journal of Plastic Surgery” Hair grafts can successfully reconstruct a beard on reconstructed jaw skin, improving appearance and patient satisfaction.
6 citations
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August 2008 in “Journal of Forensic Sciences” Recognizing specific tissue types on telogen hair roots can improve DNA typing.
Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.
7 citations
,
December 1987 in “Fertility and sterility” The vellus index is a simple, quick, and reliable method to assess and monitor hair growth, especially in hirsutism.
5 citations
,
February 2014 in “Journal of chemical ecology” Eastern Red Bat hair contains various glycerophospholipids, mainly phosphatidylcholine.
January 2017 in “European Journal of Dermatology” Excessive facial hair growth can indicate an underlying cancer.
82 citations
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September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
30 citations
,
October 2014 in “Experimental Dermatology” Leptin from skin fat can slow hair growth during certain phases.
3 citations
,
January 2020 in “Annals of Dermatology” More atypical club hairs may indicate Telogen Effluvium.
February 2018 in “Dermatologic Surgery” Nonshaven follicular unit extraction is a highly satisfactory method for restoring pubic hair.
November 2025 in “The Journal of Immunology” BTNL2 helps protect hair follicles from immune attacks, which could aid in treating alopecia areata.
3 citations
,
April 2023 in “Veterinary sciences” Researchers found genes that may explain why some pigs grow winter hair, which could help breed cold-resistant pigs.
1 citations
,
July 2023 in “Cureus” A rare hair disorder with multiple hairs from one follicle was found on a patient's abdomen.
1 citations
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May 2024 in “Preprints.org” Rex rabbit fur is best harvested at 120 days for optimal hair density and quality.
3 citations
,
October 1979 in “Laboratory animals” Hairless rats are good for testing anti-inflammatory drugs, similar to haired rats, without needing to remove fur.
3 citations
,
December 1967 in “Australasian Journal of Dermatology” Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
10 citations
,
June 2001 in “International Journal of Cosmetic Surgery and Aesthetic Dermatology” Splitting single-hair grafts seems to improve perceived hair fullness without affecting growth, intact grafts grow slightly better, and the Mantis microscope is clear but slower without reducing damage to grafts.
June 2023 in “International Journal of Dermatology” 14 citations
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June 2020 in “BMC genomics” The study identified key genes that regulate the growth cycle of cashmere in goats, which could help improve breeding strategies.
April 2018 in “Journal of Investigative Dermatology” Researchers found a substance in chicken egg yolk that helps hair grow.
2 citations
,
August 1995 in “Acta agriculturæ Scandinavica. Section A, Animal science” Adult male raccoon dogs shed their winter fur in spring and grow new fur for winter in autumn.
5 citations
,
January 2015 in “Skin appendage disorders” Colored hair-thickening fibers can help hide hair loss in some people with Epidermolysis Bullosa but may cause scalp irritation.
107 citations
,
September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
Hedgehog signaling can create new hair follicles but may also cause tumors.
87 citations
,
February 2000 in “Journal of Investigative Dermatology” Stem cells in developing hair follicles move to specific areas as they mature.