33 citations
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October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
6 citations
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March 1990 in “The American journal of cosmetic surgery” 72 citations
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December 2018 in “Journal of Experimental Zoology Part B Molecular and Developmental Evolution” Corneous beta-proteins evolved uniquely in reptiles and birds, forming scales, claws, beaks, and feathers.
1 citations
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January 2004 in “Adelaide Research & Scholarship (AR&S) (University of Adelaide)” SPARC likely aids in tissue remodeling during the hair cycle, not in starting new hair growth phases.
January 1997 in “Elsevier eBooks” Hair and nails are skin parts that develop early and serve protective and functional roles.
6 citations
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August 2008 in “Journal of Forensic Sciences” Recognizing specific tissue types on telogen hair roots can improve DNA typing.
December 2023 in “Chiwi'saeng'gwa haghoeji” Hair keratin protein might help heal mouth wounds faster.
23 citations
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January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
July 2025 in “Carbohydrate Polymers” The green alga Parachlorella sp. has potential for use in cosmetics and health products due to its antioxidant, anti-hypertensive, and hair growth properties.
January 2026 in “SSRN Electronic Journal” January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
1 citations
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January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
2 citations
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January 2011 in “Lecture Notes in Computer Science” A proposed robotic system could make hair harvesting for baldness treatment faster and more precise.
July 2025 in “Bioma Berkala Ilmiah Biologi” Wild boar skin from Timor Island has three layers with various structures like hair follicles and glands.
January 2025 in “International Journal of Trichology” Trichotillomania can occur in unusual patterns and sites, highlighting the need for awareness and treatment options.
May 2023 in “Elsevier eBooks” 4 citations
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August 2013 in “Pediatric dermatology” Hair casts can be treated with physical removal and special shampoos.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
April 2026 in “Stem Cell Reviews and Reports” Bleaching hair twice makes it very dry and weak.
1 citations
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April 2023 in “Animals” Wnt and BMP pathways stimulate hair growth in Min pigs, with Wnt being more effective.
1 citations
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January 2013 in “International Journal of Trichology” A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
11 citations
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January 1981 in “Cells Tissues Organs” Human hair cuticle has five cell layers with specific junctions and granules.
42 citations
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September 2002 in “The Journal of Comparative Neurology” Glycine likely affects dendrites connected to hair follicle terminals in rats.
51 citations
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May 2019 in “Biomaterials” Researchers developed a method to grow hair follicles using special beads that could help with hair loss treatment.
59 citations
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November 2011 in “Development” Trps1 is essential for proper hair follicle development.
January 2025 in “SSRN Electronic Journal” Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
17 citations
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October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.