May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
2 citations
,
June 2022 in “Revista de la Asociación Colombiana de Dermatología y Cirugía Dermatológica” Understanding cultural hair care practices is essential for improving hair health in the African American population.
2 citations
,
March 2024 in “Pediatric Dermatology” Two siblings have a rare hair condition caused by a new genetic variant.
35 citations
,
September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
17 citations
,
September 2005 in “International Journal of Dermatology” African hair is more fragile due to its unique shape and internal structure.
1 citations
,
October 1993 in “PEDIATRICS” Using hot curling irons and hair gels can cause seizures in young black girls during hair grooming.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
May 2026 in “Applied Spectroscopy” Humidity affects hair structure changes during stretching.
15 citations
,
January 2011 in “International journal of trichology” Using a hot iron on wet hair can cause dry, brittle hair with air bubbles inside.
1 citations
,
January 2016 in “Journal of cosmetology & trichology” Trichoscopy helped diagnose and treat a child's fungal scalp infection by spotting specific hair shapes.
4 citations
,
August 2023 in “Nature Communications” Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
29 citations
,
July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
December 1991 in “Annals of the New York Academy of Sciences” 7 citations
,
January 2017 in “International Journal of Trichology” Chemotherapy and certain hair care practices can cause severe hair matting.
1 citations
,
August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
21 citations
,
June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
6 citations
,
October 2016 Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
August 2011 in “SpringerReference” 13 citations
,
January 2002 in “Biological chemistry” Different conditions affect how hair proteins assemble, and certain mutations can change their structure.
2 citations
,
July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
38 citations
,
July 1993 in “Journal of Investigative Dermatology” 1 citations
,
April 2013 in “Pakistan Journal of Biological Sciences” Hair coloring, waving, and ironing cause more hair damage than not using these treatments.
January 2009 in “Chinese journal of Clinical Medicine” 13 citations
,
March 2017 in “Skin Research and Technology” Formaldehyde damages curly hair more than glyoxylic acid.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
3 citations
,
September 2020 in “Journal of cosmetic dermatology” Coconut oil makes hair stronger and more flexible than mineral oil.
September 2015 in “The European physical journal. E, Soft matter and biological physics/The European physical journal. E, Soft matter” Longer time setting curls overnight leads to better curl retention.
1 citations
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April 2019 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)”