9 citations
,
July 2018 in “Journal of Testing and Evaluation” Adding human hair to sand improves its strength when dry and maintains strength when wet.
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.
3 citations
,
March 2019 in “Tekstil Ve Konfeksiyon” Anatolian native goat down-hair is similar to cashmere and can be used for high-quality textiles.
1 citations
,
February 2015 in “Zenodo (CERN European Organization for Nuclear Research)” Different hair fiber brands have unique electrostatic and dielectric properties.
March 2026 in “Biomolecules” MicroRNAs play a key role in controlling hair growth and quality in sheep and goats.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
April 2019 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Hair straightening at pH 1.0 improves alignment but weakens hair more than pH 2.0.
Stretching-setting treatment works for wool and human hair using specific equipment and methods.
January 2014 in “Journal of Tissue Engineering and Reconstructive Surgery” Rabbit hair follicle stem cells and nano silk fibers can create a tissue-engineered urethra.
48 citations
,
September 1993 in “The journal of experimental zoology/Journal of experimental zoology” Melatonin treatment started hair growth in goats and affected their hormone levels.
January 2005 in “Medical Entomology and Zoology” The reinforced collagen sponge helps grow normal hair in mice.
40 citations
,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
18 citations
,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
10 citations
,
January 2007 in “Dermatologic Surgery” Artificial hair fibers help treat scalp scars with few complications and a 20% yearly fiber fall rate.
8 citations
,
July 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Curly hair is mechanically different from straight hair and may need new testing methods.
6 citations
,
January 2016 in “Environmental footprints and eco-design of products and processes” The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.
6 citations
,
May 2003 in “PubMed” Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
6 citations
,
December 1966 in “Textile Research Journal” Animal hair fibers like wool and mohair are strong when dry, but vicuna fibers are very brittle.
3 citations
,
January 2021 in “ScienceAsia” Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.
3 citations
,
July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
2 citations
,
March 2017 in “Veterinary dermatology” Herbal paste and oil extract might improve dog hair quality by retaining lipids.
1 citations
,
July 2020 in “Journal of Al-Azhar University Engineering Sector” Adding human and horse hair fibers to concrete can increase its strength.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
1 citations
,
December 1972 in “Journal of Colloid and Interface Science” Ethanol spreads well on hair at low humidity but less so at higher humidity due to water condensation.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Bleaching and UV exposure significantly damage hair.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
January 2022 in “Social Science Research Network” A special coating was made for artificial hair fibers that can slowly release silver ions for up to 56 days, providing long-term protection against bacteria and inflammation.
Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.
October 2014 in “Springer eBooks” Rabbit hair fibers are similar to wool and have a hollow center like feathers.