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.
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.
1 citations
,
February 2015 in “Zenodo (CERN European Organization for Nuclear Research)” Different hair fiber brands have unique electrostatic and dielectric properties.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.
27 citations
,
January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
7 citations
,
October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
March 2026 in “Biomolecules” MicroRNAs play a key role in controlling hair growth and quality in sheep and goats.
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.
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.
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.
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.
January 2005 in “Medical Entomology and Zoology” The reinforced collagen sponge helps grow normal hair in mice.
Stretching-setting treatment works for wool and human hair using specific equipment and methods.
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.
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.
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.
1 citations
,
May 2022 in “International journal of trichology” Most patients were happy with the hair fiber filler and had no serious side effects.
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.
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.
Pashmina goats produce long hair-fiber due to specific gene expressions related to hair growth.
September 2019 in “Mağallaẗ al-ʿulūm al-ṭabīʿiyyaẗ wa-al-ḥayātiyyaẗ wa-al-taṭbīqiyyaẗ” Camel hair from Afif can be improved for textiles by adding chemicals or blending with other fibers.
October 2012 in “Advanced Materials Research” Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.