119 citations
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November 2016 in “American journal of human genetics” Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.
1 citations
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July 2024 in “International Journal of Cosmetic Science” Hair curvature is the main factor affecting curly hair manageability and product preferences.
January 2008 in “Medical Entomology and Zoology” 101 citations
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July 1985 in “Journal of the American Academy of Dermatology” Biotin improved hair growth and combability in one child with uncombable hair syndrome.
15 citations
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January 1996 in “Adelaide Research & Scholarship (AR&S) (University of Adelaide)” Keratin gene regulation was emerging, with a key transcription factor found to influence hair growth and gene expression.
4 citations
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February 2001 in “PubMed” A medication called sodium valproate likely caused a girl's hair to become kinky and dry.
759 citations
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February 2009 in “Current Biology” Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.
January 2025 in “SSRN Electronic Journal” 175 citations
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
February 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” The gene Prss53 affects hair shape and bone development in rabbits.
23 citations
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July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
1 citations
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April 1999 in “Dermatologic clinics” Cultured hair follicles need careful handling and respond well to growth factors.
6 citations
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August 2012 in “The Journal of Pediatrics” A 12-year-old girl was diagnosed with monilethrix, a genetic condition causing fragile, beaded hair that breaks easily, with no effective treatment available.
2 citations
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August 1993 in “Archives of Dermatology” A 39-year-old woman developed uncombable hair syndrome after taking oral contraceptives.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth cycles need varied signals in space and time.
29 citations
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April 2003 in “Experimental dermatology” Human hair follicles grown in vitro maintain normal keratin patterns and structure.
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
3 citations
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August 2012 in “Nature Cell Biology” Certain proteins help nerve cells branch, and other findings relate to cancer, stem cell behavior, and cell division.
314 citations
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April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Changing the structure of the hair follicle's environment can affect hair quality but doesn't stop hair growth.
14 citations
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November 1979 in “Pediatric Research”
19 citations
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March 1961 in “Nature” A fatty acid/protein complex in human hair helps protect it from damage.
May 2015 in “Journal of The American Academy of Dermatology” A woman with Parry-Romberg syndrome developed new curly hair on one side of her scalp, a condition not previously linked to the syndrome.
1 citations
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April 2013 in “Pakistan Journal of Biological Sciences” Hair coloring, waving, and ironing cause more hair damage than not using these treatments.
7 citations
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April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.
1 citations
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January 2021 in “Springer Proceedings in Materials” Researchers developed a new method to clearly see and label hair proteins with minimal errors using advanced freezing and microscopy techniques.
3 citations
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October 2020 in “Dermatology Practical & Conceptual” Bubble hair damage is caused by high heat from styling tools, and trichoscopy helps diagnose it.
49 citations
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January 1972 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” 28 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.