1 citations,
January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
1 citations,
August 1999 in “ACS symposium series” Polymer JR400 sticks to hair but washes off with detergent.
12 citations,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
8 citations,
January 1968 DMSO causes reversible swelling in hair but has a complex, less reversible effect on skin.
1 citations,
January 1988 Cosmetic treatments after chlorination damage hair more than treatments before.
4 citations,
April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The skin has about 230,000 touch-sensitive nerve fibers, with high concentrations in the hands and face.
5 citations,
April 2005 in “Journal of applied polymer science” PEI diffuses into hair at a constant rate, and urea speeds up this process.
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.
10 citations,
January 2010 in “International Journal of Trichology” Synthetic hair fibers for hair restoration were controversial in 2009 due to health risks and lack of support from the International Society of Hair Restoration.
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.
New methods to classify curly hair types were developed based on shape and strength.
7 citations,
December 2017 in “Open Access Macedonian Journal of Medical Sciences” Biofibre® hair implants are safe and effective for alopecia when proper procedures are followed, with high patient satisfaction.
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.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
1 citations,
February 2021 in “Journal of Dermatological Treatment” Artificial hair implants can quickly improve looks and life quality, but they have risks like infection and early fiber loss, so more research is needed to confirm their safety and effectiveness.
7 citations,
October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
30 citations,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
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.
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.
1 citations,
March 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” The hair treatment made hair grow faster and thicker and strengthened the hair roots.
48 citations,
December 2004 in “Differentiation” Tooth papilla cells can help regenerate hair follicles and grow hair.
22 citations,
July 2004 in “International Journal of Cosmetic Science” UV radiation and visible light can damage hair, but there are ways to protect it.
16 citations,
October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
142 citations,
September 2020 in “Journal of neurophysiology” Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.
46 citations,
September 2014 in “Tissue engineering. Part A” Researchers created hair-inducing human cell clusters using a 3D culture method.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
62 citations,
December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
March 2009 in “CRC Press eBooks” Hair conditioner makes wet hair easier to comb by reducing friction.
February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.