January 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
15 citations
,
May 2013 in “American Journal of Medical Genetics - Part A” People with X-linked hypohidrotic ectodermal dysplasia have no sweat ducts and less, thinner hair.
37 citations
,
August 1999 in “Journal of Investigative Dermatology” A specific gene mutation causes complete hair loss without other health issues.
5 citations
,
October 2003 in “Archives of Dermatology” The elderly woman experienced hair loss and scalp itching, especially at the front hairline, and lost her eyebrows.
236 citations
,
April 2015 in “Cell” Plucking some hairs can trigger nearby unplucked hairs to grow back more due to a collective response.
191 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
29 citations
,
February 2019 in “Pediatric dermatology” Trichotillomania shows specific signs like black dots and uneven hair lengths but lacks certain features of alopecia areata.
9 citations
,
January 1980 in “Dermatology” Hair casts may be caused by repetitive hair pulling or styling and are often misdiagnosed.
1 citations
,
July 2017 in “Skin appendage disorders” A 9-year-old Hispanic girl has Uncombable Hair Syndrome, which may improve with age and biotin treatment.
4 citations
,
September 1992 in “Journal of Small Animal Practice” A French bulldog had sparse hair due to a condition similar to that seen in Chinese crested dogs.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair wax stick is a safe and effective natural alternative to synthetic styling products.
May 1988 in “Journal of Forensic Sciences” A new method accurately determines hair blood type and can be used on dust samples.
7 citations
,
January 2013 in “Indian dermatology online journal” A rare skin condition with dark, thick, warty patches and some hair loss was found in a newborn boy.
8 citations
,
December 2022 in “BMC Genomics” The research improved understanding of yak hair growth to help use yak wool better.
38 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.
138 citations
,
June 2012 in “Genes & Development” Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.
December 2011 in “British Journal of Dermatology” As women age, they experience changes in hair density and volume, face challenges in distinguishing normal hair loss from disease, and have limited access to treatments for hair issues.
3 citations
,
February 2014 in “Asian Pacific journal of tropical medicine” Wnt5a may slow down hair growth in mice.
58 citations
,
April 2009 in “Dermatologic Surgery” Most women have a widow's peak and specific hairline features useful for designing hair restoration surgery.
18 citations
,
August 2015 in “International Journal of Molecular Sciences” Ovine hair follicle stem cells can regenerate haired skin and may improve wool production.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
6 citations
,
January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
28 citations
,
May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
January 2004 in “Laboratory Animal Science and Administration” The hairless mutant gene causes early hair loss and affects skin and thymus development in mice.
January 2006 in “Advances in developmental biology” The Hairless gene is crucial for healthy skin and hair growth.
13 citations
,
August 2007 in “Journal of Investigative Dermatology” Mouse hair can regrow in a special lab setup without serum.
June 2021 in “International journal of research in dermatology” Shaving and avoiding brushing improved the patient's beard hair condition.
13 citations
,
January 2002 in “Clinics in dermatology” A mushroom extract might reduce hair loss and liver damage caused by certain chemotherapy drugs in animals.
2 citations
,
July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
22 citations
,
May 2021 in “Nature Communications” Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.