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.
July 2022 in “Indian Journal of Otology” A rare ear-area hair cyst was successfully removed from a 10-year-old boy.
24 citations
,
September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
April 2018 in “Journal of Investigative Dermatology” Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.
30 citations
,
August 2004 in “British Journal of Plastic Surgery” Chest hair can be successfully used for scalp hair transplants, growing longer like scalp hair.
July 2025 in “InnovAiT Education and inspiration for general practice”
July 2018 in “Elsevier eBooks” Acne keloidalis nuchae is a chronic skin condition more common in African men, causing itchy or painful bumps and can lead to permanent hair loss if not treated early.
September 2025 in “Indian Journal of Dermatology” A Turkish woman has a hair condition caused by a LIPH gene mutation.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
69 citations
,
May 2002 in “Journal of Investigative Dermatology” Congenital atrichia with papular lesions is often misdiagnosed, and new diagnostic criteria can improve accuracy.
June 2026 in “Journal of Applied Animal Welfare Science” Social hair plucking in rhesus macaques is linked to grooming, aggression, and health issues like hair loss, especially in females and lower-ranked individuals.
5 citations
,
November 2006 in “Dermatologic Surgery” Hair transplant surgery is a good cosmetic solution for people with little or no pubic hair, especially to boost their self-esteem.
July 2025 in “InnovAiT Education and inspiration for general practice” 11 citations
,
June 2005 in “Postgraduate Medical Journal” Some infants temporarily grow scrotal hair, which usually disappears on its own without any health issues.
6 citations
,
August 2011 in “Anais Brasileiros de Dermatologia” Vellus hair cysts can cause acne-like bumps that don't respond to treatment.
6 citations
,
September 1997 in “Dermatologic Surgery” Chest hair can be used for scalp hair transplants when there's not enough scalp hair.
32 citations
,
May 1986 in “Archives of Dermatology” The condition is likely inherited in an autosomal-dominant pattern.
4 citations
,
January 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Panitumumab can cause excessive ear hair growth.
September 2022 in “IP Indian journal of clinical and experimental dermatology” An 8-year-old girl has a rare genetic disorder causing complete, irreversible hair loss and skin bumps.
January 2014 in “Medical Innovation of China” Androgen receptor differences may contribute to hair loss in AGA patients.
4 citations
,
April 2001 in “Experimental Dermatology” Using single dermal papillae is unreliable for analyzing androgen metabolism in hair follicles.
83 citations
,
December 2004 in “American Journal of Obstetrics and Gynecology”
January 2026 in “RIGGS Journal of Artificial Intelligence and Digital Business” The cream with turmeric and ginger extracts can potentially reduce underarm hair growth effectively.
12 citations
,
March 2012 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” A specific gene mutation in Japanese people can cause varying degrees of hair thinning in adulthood.
January 2022 in “Dubai diabetes and endocrinology journal/Dubai diabetes & endocrinology journal” A 16-year-old girl with HAIR-AN syndrome was treated with lifestyle changes and medications to manage her condition.
Suprapubic hair can be used as an extra donor source for hair transplants when scalp hair is limited.
January 2024 in “Journal of cutaneous and aesthetic surgery” Scalp injuries and harsh hair care can cause severe hair matting in children.
June 2025 in “Reports of Vinnytsia National Medical University” Men with alopecia areata tend to have larger limb and trunk circumferences than healthy men.
5 citations
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January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
Antiandrogen treatment helps reduce hair follicles and sebaceous glands in hirsute women.