20 citations
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July 1988 in “Clinics in dermatology” Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
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.
April 2025 in “INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT” Hair histology helps identify animal species in forensic investigations.
25 citations
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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.
65 citations
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September 2004 in “The American journal of pathology” Blocking BMP signaling causes hair loss and disrupts hair growth cycles.
4 citations
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January 2021 in “Skin appendage disorders” Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
July 2018 in “Elsevier eBooks” The most common cause of hair loss in children is tinea capitis, followed by alopecia areata and telogen effluvium.
15 citations
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December 2014 in “PLoS ONE” A mutation in the iRhom2 gene causes hairless mice due to abnormal hair follicle development.
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.
21 citations
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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.
12 citations
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January 1978 Friesian heifers take about 18 months to adapt to Kenya's climate, with hair changes not strongly linked to weight gain.
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.
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.
86 citations
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October 2005 in “Experimental Dermatology” The Foxn1 gene mutation causes hairlessness and immune system issues, and understanding it could lead to hair growth disorder treatments.
37 citations
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
21 citations
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February 2019 in “Experimental Dermatology” Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.
July 2025 in “Bioactive Materials” New engineering methods show promise for regenerating hair follicles using stem cells and advanced technologies.
September 2023 in “Biomedical Optics Express” New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.
December 2022 in “Scientific Reports” Stem cells from whiskers can be transplanted to stimulate hair growth.
October 2018 in “InTech eBooks” The gene Foxn1 is important for hair growth, and understanding it may lead to new alopecia treatments.
99 citations
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January 2014 in “Nature communications” Scientists created stem cells that can grow hair and skin.
1 citations
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May 2018 in “International Journal of Molecular Biology Open Access” Hydrogen peroxide is a major risk factor for melanoma in swimmers, more than UV light.
1 citations
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April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.
May 2017 in “InTech eBooks” Trichoscopy and trichogram are useful for diagnosing hair and scalp conditions.
January 2017 in “Qucosa (Saxon State and University Library Dresden)” Plasma protein binding significantly affects glucocorticosteroid concentration in blood, saliva, and hair.
November 2013 in “Elsevier eBooks” Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.
6 citations
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January 2005 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The 16th-century mummy's hair was well-preserved due to a calcium surface coat.
135 citations
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October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.
12 citations
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January 2013 in “Acta Histochemica” Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.
8 citations
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July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.