August 2021 in “Journal of Fundamental and Applied Pharmaceutical Science” Black tea extract at 5% concentration promotes the most hair growth.
March 2013 in “Pigment Cell & Melanoma Research” A gene called Taqpep affects cat coat patterns like stripes and blotches.
216 citations
,
October 1997 in “American Journal of Ophthalmology” Using the eye pressure medication latanoprost can cause excessive hair growth and darker eyelashes on the treated eye.
August 2011 in “SpringerReference”
43 citations
,
September 2006 in “Annals of Plastic Surgery” A hair wrapped tightly around an infant's toe caused severe damage, requiring early removal and possibly surgery to prevent worse outcomes like amputation.
October 2025 in “The Laryngoscope” The Endotine Forehead-mini effectively lowers the hairline with lasting results and minimal risks.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
22 citations
,
January 1999 in “Dermatology” The condition might be caused by genetic changes after birth.
14 citations
,
February 2007 in “The Journal of Bone and Joint Surgery” A baby's toe was saved from serious damage by quickly removing a hair wrapped tightly around it.
1 citations
,
January 2015 in “Indian journal of dermatology, venereology, and leprology” A woman's scalp infection caused by a fungus led to permanent hair loss and was hard to treat but responded to a specific antifungal.
990 citations
,
October 1999 in “Development” Activated LEF/TCF complexes are crucial for hair development and cycling.
11 citations
,
January 2016 in “Mycoses” Human black hair is best for distinguishing between T. mentagrophytes and T. verrucosum.
June 2018 in “Dermatologic Surgery” December 2015 in “European Journal of Pediatric Dermatology” Newborns can experience temporary hair loss in bands, unrelated to sleeping position.
13 citations
,
March 2002 in “Pediatric Dermatology” A child was initially wrongly diagnosed with a fungal scalp infection but actually had a non-scarring hair loss condition called Temporal Triangular Alopecia.
3 citations
,
August 2019 in “Medika Tadulako: Jurnal Ilmiah Kedokteran Fakultas Kedokteran dan Ilmu Kesehatan” A 3% hair tonic with bitter melon leaf and carrot extracts boosts hair growth effectively.
75 citations
,
January 1980 in “Journal of Investigative Dermatology”
April 2012 in “Informa Healthcare eBooks” Temporal triangular alopecia is a lifelong condition with hairless patches on the side of the head that may be present from birth.
Aluminum phosphide poisoning can cause horizontal nail grooves and hair loss.
Dark hair with a red beard likely evolved for camouflage, not attraction.
April 2021 in “Journal of Investigative Dermatology” A deep learning model was developed to help diagnose trichothiodystrophy by analyzing hair patterns.
1 citations
,
August 2024 in “JAAD Case Reports”
TBX3 gene affects horse coat color, with higher expression in darker areas.
18 citations
,
December 2010 in “Transplantation Proceedings” Black hairy tongue can be an early sign of graft-versus-host disease after stem cell transplants.
January 2023 in “Springer eBooks” 2 citations
,
June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.
February 2023 in “Reactions Weekly” 1 citations
,
August 2023 in “International Journal of Surgery Case Reports” Using titanium mesh and thigh tissue is effective for complex scalp reconstruction.