15 citations
,
May 2010 in “International Journal of Cosmetic Science” The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
30 citations
,
January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
7 citations
,
October 1992 in “PubMed” Sinus hair follicles in mammals have different nerve fiber types with species-specific patterns, especially in cats.
9 citations
,
April 2019 in “Journal of Structural Biology” Keratin fibers in hair twist left-handed.
12 citations
,
January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
23 citations
,
January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
1 citations
,
January 1992 in “Bangladesh Journal of Animal Science” Camel skin has typical mammalian layers, with hair follicles, glands, and muscles, varying by body area.
August 2020 in “Textile research journal” The model helps understand how wool fiber structure affects its strength and flexibility.
6 citations
,
January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
1 citations
,
September 2003 in “CRC Press eBooks” Hair is important for social and sexual communication in humans.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
3 citations
,
December 2018 in “Routledge eBooks” Hair is made of strong keratin fibers that protect against the environment.
50 citations
,
March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
13 citations
,
October 2008 in “PubMed” Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
July 2009 in “International Journal of Cosmetic Science” Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
February 2023 in “Biophysical Journal” Light can be used to stimulate ear hair cells, improving speed and consistency over previous methods.
120 citations
,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
16 citations
,
January 2018 in “Advances in experimental medicine and biology” Hair and wool have diverse keratins and keratin-associated proteins.
6 citations
,
October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
47 citations
,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
3 citations
,
September 2020 in “Journal of cosmetic dermatology” Coconut oil makes hair stronger and more flexible than mineral oil.
46 citations
,
January 2009 in “Textile Research Journal” Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.
September 2025 in “Sahel Journal of Life Sciences FUDMA” Chemical hair straighteners can severely damage hair and scalp with repeated use.
11 citations
,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
81 citations
,
April 2009 in “Journal of Investigative Dermatology” Hair shedding is an active process that could be targeted to treat hair loss.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
48 citations
,
December 2004 in “Differentiation” Tooth papilla cells can help regenerate hair follicles and grow hair.
98 citations
,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
35 citations
,
February 2006 in “Textile Research Journal” Enzymes xylanase and pectinase clean wool and specialty hair fibers effectively without damage, offering an eco-friendly alternative to soap and hot water.