42 citations
,
December 1990 in “The Journal of Dermatologic Surgery and Oncology” The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.
7 citations
,
January 1992 in “Acta Histochemica” Porcine and human pilosebaceous units are very similar.
2 citations
,
June 2022 in “Life” A 14-year-old boy is the youngest person reported with a rare, benign tumor related to hair follicles, usually found in older people.
June 2022 in “Our Dermatology Online” Trichoscopy is essential for early detection and monitoring of female-pattern hair loss.
March 1983 in “The Journal of the American Dental Association”
184 citations
,
November 2014 in “Developmental Cell” Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
January 2021 in “International journal of dermatology, venereology and leprosy sciences” Trichoscopy shows black dots, yellow dots, and empty follicles are common in Alopecia Areata, with broken and exclamation mark hair as typical patterns.
April 2018 in “Journal of Investigative Dermatology” Differentiated fibroblasts regenerate hair follicles better than undifferentiated ones.
September 2023 in “Bioscience, biotechnology, and biochemistry” Bacterial communities on scalp hair are unique to each person but consistent across different scalp sites.
27 citations
,
October 1998 in “Differentiation” Basonuclin helps identify and track hair follicle development and cycling in mice.
1 citations
,
January 2015 in “Indian Journal of Veterinary Pathology” Two dogs had different types of hair follicle tumors.
14 citations
,
December 1991 in “PubMed” The document explains how hair follicles develop in humans.
2 citations
,
January 2022 in “Annals of Dermatology” Treatment type and patch size affect hair regrowth patterns in alopecia areata.
4 citations
,
June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
September 1997 in “Journal of The European Academy of Dermatology and Venereology” Examining scalp tissue under a microscope helps diagnose and understand hair loss diseases.
March 2026 in “Journal of the American Academy of Dermatology” Hair diameter diversity could improve androgenetic alopecia assessment and treatment planning.
April 2017 in “Journal of Dermatological Science” Asymmetric hair follicle differentiation causes the unique shape of kinky hair.
Moderate immune responses help hair growth, while excessive responses slow it down.
1 citations
,
August 2020 in “CRC Press eBooks” Hair growth can be influenced by manipulating keratin and growth factor genes.
7 citations
,
October 2018 in “Journal of Craniofacial Surgery” About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
43 citations
,
August 1994 in “Journal of Investigative Dermatology” December 2016 in “Clinics in surgery” Understanding hair follicle biology and stem cell control can help develop treatments to stimulate hair growth for cosmetic procedures.
October 2022 in “Hair Transplantation” Hair disorders are caused by genetics, environment, hormones, or inflammation, and treatments focus on normalizing hair growth and density.
489 citations
,
June 2005 in “The FASEB Journal” Human hair follicles can produce cortisol like the body's stress response system.
1 citations
,
October 2022 in “Hair Transplantation” Body hair can be used for hair transplants when scalp hair is insufficient.
24 citations
,
January 2018 in “Development” Frizzled 3 and Frizzled 6 together control the orientation of mouse hair follicles.
January 2009 in “Journal of the American Academy of Dermatology” Generalized trichoepitheliomas with alopecia may indicate myasthenia gravis.
April 2020 in “International Journal of Dermatology” T-cell patterns in skin help distinguish alopecia areata from androgenetic alopecia.
11 citations
,
October 2020 in “Sensors” Photoacoustic imaging can accurately assess hair follicle density and orientation for hair transplant planning.