135 citations,
December 2013 in “Seminars in Cell & Developmental Biology” Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.
94 citations,
August 1975 in “Journal of Cutaneous Pathology” Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
76 citations,
June 2008 in “Journal of the American Academy of Dermatology” The conclusion is that certain scalp tissue changes are characteristic of lichen planopilaris, with mucinous perifollicular fibroplasia being a new feature for diagnosis.
66 citations,
May 2012 in “Scientific Reports” Scientists successfully created and transplanted bioengineered hair follicles that function like natural ones, suggesting a new treatment for hair loss.
47 citations,
September 2008 in “British Journal of Dermatology” Ludwig pattern hair loss in women results from varying sensitivity in hair follicles, causing fewer visible hairs.
34 citations,
October 2015 in “British journal of dermatology/British journal of dermatology, Supplement” Scientists don't fully understand eyelash hair follicle biology, including growth and color, and suggest more research is needed.
33 citations,
August 2015 in “F1000Research” New model shows muscle affects hair loss differently in men and women.
29 citations,
February 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Loss of Fz6 disrupts hair follicle and associated structures' orientation.
25 citations,
October 2018 in “PloS one” Key genes regulate hair follicle phase changes in Inner Mongolia cashmere goats.
16 citations,
January 2018 in “Dermatology Online Journal” PRP shows promise for treating hair loss but needs more research.
16 citations,
June 2005 in “Clinical and Experimental Dermatology” Twisted hair is rare in severe anorexia nervosa, found in only 2 out of 30 patients.
9 citations,
August 2021 in “Experimental dermatology” Hidradenitis suppurativa is a skin disease caused by the breakdown of the skin's natural immune barriers, especially around hair follicles.
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.
5 citations,
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Aging skin shows thinner layers, fewer hair follicles, and new biomarkers like increased space between cells and smaller sebaceous glands.
4 citations,
August 2021 in “Frontiers in Cell and Developmental Biology” Stress can cause hair loss by affecting nerve-related hair growth, and noradrenaline might help prevent this.
4 citations,
January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
4 citations,
February 2001 in “PubMed” A medication called sodium valproate likely caused a girl's hair to become kinky and dry.
3 citations,
December 2020 The interdigital gland in crossbred sheep is similar to skin and has specialized structures for secretion.
2 citations,
September 2023 in “International journal of molecular sciences” Special proteins are important for skin balance, healing, and aging, and affect skin stem cells.
2 citations,
March 2011 in “Veterinary Dermatology” FGF18 is present in beagle dog hair follicles, mainly in the inner root sheath.
1 citations,
April 2022 in “Journal of The American Academy of Dermatology” Hair loss in men (androgenetic alopecia) is significantly linked to decreased scalp sensitivity, but not temperature sensitivity. More research is needed to confirm this. Comparing this hair loss to leprosy is unsupported and stigmatizing.
1 citations,
January 2021 in “Journal of The American Academy of Dermatology” Scalp nerve issues are linked to hair loss in men.
1 citations,
January 2017 in “Springer eBooks” The document explains how hair follicles develop, their structure, and how they grow.
Stem cell therapy is more effective than minoxidil for hair growth in androgenic alopecia.
January 2024 in “Archives of pathology & laboratory medicine” New findings may help diagnose and understand scarring alopecia better.
December 2023 in “International Journal of Medical Arts” Transplanted hair follicles show significant changes after FUE, needing more research.
July 2023 in “Journal of personalized medicine” Injecting a person's own fat stem cells into their skin can make it look younger and improve double eyelids for over a year.
February 2023 in “Mağallaẗ Tikrīt li-l-ʻulūm al-ṣirfaẗ/Tikrit journal of pure science” Horse skin has a layered epidermis, a dermis with hair follicles, sweat and sebaceous glands, and is supplied by small arteries.
Androgenetic alopecia, or hair loss, is caused by a mix of genetics, hormones, and environment, where testosterone affects hair growth and causes hair to become smaller and grow for a shorter time.