February 2023 in “Cosmoderma” Loose anagen hair syndrome causes easily shed hair but usually improves with time.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
99 citations
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June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
6 citations
,
February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
4 citations
,
January 2021 in “Skin appendage disorders” Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
1 citations
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July 2023 in “Cureus” A rare hair disorder with multiple hairs from one follicle was found on a patient's abdomen.
April 2025 in “INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT” Hair histology helps identify animal species in forensic investigations.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
1113 citations
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August 1999 in “The New England Journal of Medicine” Hair follicle biology advancements may lead to better hair growth disorder treatments.
65 citations
,
September 2004 in “The American journal of pathology” Blocking BMP signaling causes hair loss and disrupts hair growth cycles.
10 citations
,
January 2013 in “International journal of trichology” A woman's scalp nodules were successfully treated with antifungal and anti-lice medications, revealing a rare case of mixed piedra infection.
1 citations
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November 2019 in “International Journal of Women's Dermatology” Ketoconazole shampoo can cause rare pink hair discoloration.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
February 2024 in “Biomedical materials” Scientists created a lab-grown hair follicle model that behaves like real hair and could improve hair loss treatment research.
July 2018 in “Elsevier eBooks” The most common cause of hair loss in children is tinea capitis, followed by alopecia areata and telogen effluvium.
November 2011 in “Informa Healthcare eBooks” Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.
41 citations
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June 2013 in “PLOS ONE” Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.
39 citations
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April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
25 citations
,
October 1996 in “Dermatologic Clinics” Loose Anagen Syndrome causes easy-to-pull, thin hair, mainly in young girls, and improves with age.
25 citations
,
May 1994 in “Journal of Investigative Dermatology” Researchers found a new gene, hacl-1, that is active in mouse hair follicles during hair growth and may be important for hair biology.
21 citations
,
October 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.
1 citations
,
January 2015 in “Genetics and Molecular Research” Stopping S100A3 activity slows down hair growth in mice.
54 citations
,
January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
15 citations
,
December 2014 in “PLoS ONE” A mutation in the iRhom2 gene causes hairless mice due to abnormal hair follicle development.
1 citations
,
October 2012 in “The Journal of Dermatology” A Korean girl developed kinky hair without known cause or effective treatment.
3 citations
,
July 2018 in “International Journal of Research -GRANTHAALAYAH” Human hair and mouse whiskers emit similar biomagnetic fields.
37 citations
,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
88 citations
,
June 2000 in “Journal of Investigative Dermatology” Keratin 17 is important for hair and nail structure and affects pachyonychia congenita symptoms.
9 citations
,
July 2022 in “Journal of Cosmetic Dermatology” The ammonia-free hair dye is safe and improves hair shine, color, moisture, porosity, and combability.
21 citations
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December 2007 in “Journal of Investigative Dermatology” Hair follicles evolved from oil glands, with hair aiding secretion transport.