53 citations
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June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” KAP genes show significant genetic variability, but its impact on hair traits is unclear.
27 citations
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June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
2 citations
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July 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Autophagy changes the protein makeup of hair.
175 citations
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January 1995 in “Birkhäuser Basel eBooks” Human hair growth and structure are influenced by keratin proteins, genes, melanin, and lipids.
8 citations
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July 2011 in “Animal science journal” Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.
1 citations
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January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
September 2023 in “Journal of Natural Fibers” Drying hair with a microfiber towel better maintains hair strength and structure than using a cotton towel or blow-drier.
19 citations
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May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
2 citations
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January 1993 Trichohyalin is a versatile protein involved in hair and skin structure.
17 citations
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November 2012 in “Journal of Investigative Dermatology” The document concludes that over 500 genes are linked to hair disorders and this knowledge is important for creating new treatments.
59 citations
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July 1972 in “Biochemistry” Transamidases help form strong crosslinks in hair proteins, crucial for hair strength.
12 citations
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August 1984 in “Genetics Research” The N gene affects the protein makeup of mouse hair.
10 citations
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September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
4 citations
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January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
3 citations
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March 2024 in “Discover Applied Sciences” Spirulina proteins can improve hair smoothness and strength in hair care products.
86 citations
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January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
13 citations
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February 2019 in “Zoology” Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.
December 1991 in “Annals of the New York Academy of Sciences” Keratin proteins are crucial for hair structure and strength.
2 citations
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October 2022 in “Journal of structural biology” Older thin hair is not just thinner but also has different shape, structure, and stiffness.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.
2 citations
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September 1996 in “Journal of Applied Polymer Science” Potassium cyanide changes hair's disulfide bonds to monosulfide, affecting high-sulfur proteins more.
11 citations
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September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
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.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
25 citations
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May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
3 citations
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September 2023 in “Genes” Dkk genes evolved faster in birds and reptiles, affecting hair development functions.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
1 citations
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January 2013 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
51 citations
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September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.