November 2025 in “BMC Genomics” Genetic differences in sheep affect wool type, with fat and immune genes influencing hair traits.
5 citations
,
September 2015 in “PLoS ONE” Gelfoam® histoculture supports long-term hair and nerve growth in mouse whisker follicles.
October 1999 in “Inpharma weekly” 61 citations
,
February 1982 in “Cell and Tissue Research”
July 2025 in “Dermatology Practical & Conceptual” A 2-year-old boy has a rare hair disorder causing brittle hair and hair loss, which may improve with age.
5 citations
,
November 2018 in “Skin appendage disorders” More kenogen hairs cause hair thinning in androgenetic alopecia, not hair miniaturization.
"Coco de mono" seeds cause temporary hair loss due to selenocystathionine.
12 citations
,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
3 citations
,
May 2006 in “Dermatologic Surgery” Most men's multi-hair follicles naturally stand perpendicular to a line from the top of their head, which is important for natural-looking hair transplants.
2 citations
,
September 2002 in “Dermatologic Surgery” Each group of hair follicles on the scalp shares one muscle that helps control hair movement.
August 2018 in “The Molecular Biology Society of Japan”
15 citations
,
July 1999 in “Dermatologic Clinics” The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.
January 2020 in “Journal of oral medicine and oral surgery” Hair grew in a man's mouth due to a rare condition called heterotopia.
16 citations
,
October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
9 citations
,
June 2014 in “British Journal of Dermatology” The study found that balding scalps have more thin hairs and larger oil glands, which might contribute to skin conditions related to hair loss.
4 citations
,
August 2015 in “PloS one” Transplanted whisker follicles caused long hair growth on the spinal cords of mice.
7 citations
,
September 2019 in “Journal of Investigative Dermatology”
130 citations
,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
41 citations
,
November 2011 in “The Journal of Dermatology” Some hair loss disorders are caused by genetic mutations affecting hair growth.
1 citations
,
September 2021 in “International journal of research - granthaalayah” Human hair has bipolar electrical charges because of a gap in the hair follicle's electromagnetic field.
11 citations
,
June 2019 in “Tissue & Cell” Hair stem cells produce a protein called COL17A1 that plays a key role in their development and is linked to hair thinning and baldness.
3 citations
,
December 2013 in “Journal of Cell Science” Keratin 79 cells help form and regenerate hair canals.
13 citations
,
March 2015 in “Plastic and reconstructive surgery. Global open” Leg hair can be used for eyelash transplants, resulting in fuller lashes with less maintenance.
46 citations
,
October 2009 in “Archives of Dermatology” Loose anagen hair syndrome, often affecting young girls, can be diagnosed with a hair-pull test and usually gets better on its own, but severe cases may need treatment.
116 citations
,
January 1957 in “Australian Journal of Agricultural Research” Certain hair follicle traits in Merino sheep may be inherited.
June 2021 in “International journal of research in dermatology” Shaving and avoiding brushing improved the patient's beard hair condition.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.
3 citations
,
July 2023 in “Frontiers in Aging” Hair follicle stem cells change states with age, affecting hair growth and aging.
13 citations
,
August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Mutations in the DSG4 gene cause fragile, sparse hair in humans, mice, and rats.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)”