82 citations
,
January 1997 in “Forensic science international” Drugs can be incorporated into hair based on their chemical properties and hair pigmentation.
72 citations
,
September 1975 in “Biology of Reproduction” Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
63 citations
,
August 1996 in “Forensic Science International” Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.
52 citations
,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
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.
42 citations
,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
32 citations
,
March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
30 citations
,
March 2019 in “Archives animal breeding/Archiv für Tierzucht” The KRTAP15-1 gene affects cashmere fiber thickness in goats.
30 citations
,
August 1993 in “PubMed” IL-1 alpha stops hair follicle growth and hair production.
28 citations
,
August 2013 in “Hypertension” Potassium channel openers help form elastic fibers in arteries and can treat elastin deficiency and hypertension.
28 citations
,
December 2010 in “Langmuir” Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.
27 citations
,
September 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Small amounts of Vitamin D3 can boost hair growth, but too much can stop it.
26 citations
,
August 1995 in “The journal of experimental zoology/Journal of experimental zoology” Melatonin treatment made ferrets grow their fur earlier and affected their breeding time.
22 citations
,
May 2004 in “Tissue Engineering” PGA fiber-reinforced collagen sponges improve hair growth and skin structure.
17 citations
,
March 2022 in “BMC Genomics” Cashmere fiber diameter in Tibetan goats is influenced by their stress, oxygen, and metabolic adaptations.
16 citations
,
April 2017 in “ACM Transactions on Graphics” Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.
14 citations
,
January 2009 in “Experimental Dermatology” Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.
14 citations
,
January 1996 in “Journal of Forensic Sciences” Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.
14 citations
,
September 1954 in “Textile Research Journal” Hair absorbs different substances from solutions based on pH levels.
11 citations
,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
11 citations
,
January 2006 in “International Journal of Cosmetic Science” Some oils can penetrate hair and reduce the stickiness between fibers, but mineral oil cannot.
11 citations
,
July 2004 in “International Journal of Cosmetic Science” The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
10 citations
,
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.
10 citations
,
January 2010 in “International journal of trichology” Keratin-associated proteins are part of the developing hair fiber cuticle.
10 citations
,
December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
10 citations
,
November 1984 in “Journal of Colloid and Interface Science” The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.
8 citations
,
November 2019 in “Journal of Natural Fibers” Adding human hair to clayey soil makes it stronger, even after freeze-thaw cycles, and is eco-friendly and cheap.
8 citations
,
March 2018 in “Expert Review of Respiratory Medicine” Inhalation therapy may repair and protect elastin in the lungs of COPD patients.
8 citations
,
December 2003 in “Materials Research-ibero-american Journal of Materials” Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.
7 citations
,
August 2009 in “Applied Mathematics and Mechanics-English Edition” Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.