Hair feels different when touched and rubs together in various ways.
1 citations
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August 1999 in “ACS symposium series” Polymer JR400 sticks to hair but washes off with detergent.
1 citations
,
May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The fer-ts mutation in plants prevents root hair growth at high temperatures.
46 citations
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December 2018 in “Biomedical Optics Express” Raman spectroscopy could effectively guide skin cancer surgery by identifying tumor margins.
January 1994 in “Journal of the society of cosmetic chemists” 62 citations
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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.
1 citations
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January 2022 in “Electronic Imaging” A new method accurately captures and renders hair color for virtual reality and hair dye use.
3 citations
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May 1964 in “Nature”
16 citations
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October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
5 citations
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February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
December 2021 in “Research Square (Research Square)” Hair follicle sampling is a feasible method to measure FMRP and FMR1 mRNA levels in children.
Forensic hair analysis for drugs is now more reliable and accurate.
30 citations
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March 2012 in “Journal of Analytical Toxicology” THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.
206 citations
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September 2010 in “PLoS ONE” The PIRL laser cuts tissue with less damage and scarring than traditional methods.
November 2024 in “Advances in Pharmacology and Pharmacy” A reliable method was developed to measure Minoxidil and Tofacitinib in gel for hair loss treatment.
9 citations
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April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
May 2026 in “Chemical Engineering Journal”
The study concluded that the developed method can show how argan, avocado, and coconut oils penetrate and change hair, suggesting these oils are effective in hair treatments.
19 citations
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March 1998 in “Microchimica Acta” 35 citations
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September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
16 citations
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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.
41 citations
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April 2009 in “Journal of comparative neurology” P2X3-IR fibers are widespread in rat skin and likely help detect pain.
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.
1 citations
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July 2019 in “Microscopy Today” Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.
11 citations
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January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
April 2016 in “Proceedings of SPIE” UV-induced autofluorescence is effective for identifying different types of alopecia.
Different types of hair loss and gender affect facial heat patterns, which may help diagnose and treat hair loss.
13 citations
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March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
December 2021 in “Cosmetics”
40 citations
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October 2009 in “Journal of Biomedical Nanotechnology” Pyrene excimer nucleic acid probes are promising for detecting biomolecules accurately with potential for biological research and drug screening.