January 2018 in “Indian Dermatology Online Journal” Trichoscopy can help tell the difference between artificial hair fibers and other scalp artifacts.
The new method can tell how hair fibers react to moisture after treatments.
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.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
56 citations,
January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
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.
7 citations,
October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
Stretching-setting treatment works for wool and human hair using specific equipment and methods.
6 citations,
January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
6 citations,
March 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,
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 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
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,
July 2020 in “Journal of Al-Azhar University Engineering Sector” Adding human and horse hair fibers to concrete can increase its strength.
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.
Hair fiber research combines multiple sciences to improve hair care products.
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
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.
October 2012 in “Advanced Materials Research” Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.
January 2007 in “Proceedings of the Korean Fiber Society Conference” New resin B makes artificial hair fibers hold curls longer than traditional resin A.
January 2006 in “Journal of Liaoning University of Petroleum & Chemical Technology”