September 2025 in “Sahel Journal of Life Sciences FUDMA” Chemical hair straighteners can severely damage hair and scalp with repeated use.
The inner root sheath in hair follicles plays a key role in hair growth and health.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
January 1997 in “Elsevier eBooks” Hair and nails are skin parts that develop early and serve protective and functional roles.
51 citations
,
January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
November 2019 in “Harper's Textbook of Pediatric Dermatology” Understanding normal hair growth and loss in children is key to diagnosing and treating hair disorders.
53 citations
,
May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
Forensic hair analysis for drugs is now more reliable and accurate.
1113 citations
,
August 1999 in “The New England Journal of Medicine” Hair follicle biology advancements may lead to better hair growth disorder treatments.
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.
96 citations
,
September 2017 in “Analytica Chimica Acta” Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
72 citations
,
February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
51 citations
,
January 2004 in “Skin Pharmacology and Physiology” The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
44 citations
,
April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.
33 citations
,
June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve in childhood or with treatments like minoxidil and retinoids, while others like Netherton syndrome and trichothiodystrophy have a poor prognosis.
14 citations
,
June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve with age and can be managed with treatments like minoxidil, retinoids, supplements, and gentle hair care, but there's no cure.
14 citations
,
February 2014 in “Experimental Cell Research” The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.
8 citations
,
July 2011 in “Animal science journal” Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.
1 citations
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December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
September 2025 in “Journal of Drug Delivery and Therapeutics” Targeting hair follicles can effectively promote hair growth and treat hair disorders.
January 2025 in “International Journal of Advanced Research in Science Communication and Technology” Polyherbal hair dyes are safer and more eco-friendly than chemical dyes.
June 2024 in “International Journal for Research in Applied Science and Engineering Technology” Flaxseed hair gel is effective for hair growth and dandruff, is stable, and has minimal side effects.
New methods to classify curly hair types were developed based on shape and strength.
January 2020 in “Journal of Entomology and Zoology Studies” Canine hair follicle stem cells are located in the isthmus/bulge region of the hair follicle.
199 citations
,
January 2004 in “The International Journal of Developmental Biology” Hair follicle growth and development are controlled by specific genes and molecular signals.
55 citations
,
October 1992 in “Archives of Dermatology” Loose Anagen Hair Syndrome is a hereditary condition causing hair loss in children due to abnormal hair follicles.
11 citations
,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
10 citations
,
January 2009 in “Elsevier eBooks” Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.
127 citations
,
March 2016 in “PLoS ONE” Key genes and pathways crucial for hair follicle development in cashmere goats were identified, aiding fleece production improvement.