21 citations,
July 2010 in “International Journal of Cosmetic Science” Older people's hair becomes less shiny because it gets more uneven and curved.
August 2020 in “Textile research journal” The model helps understand how wool fiber structure affects its strength and flexibility.
28 citations,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
8 citations,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
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.
4 citations,
April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
June 2021 in “Journal of emerging technologies and innovative research” Onion and Aloe vera can help protect hair from damage caused by hair dyes.
21 citations,
October 2011 in “PloS one” Certain molecules in hair change with age and could be used for cosmetic treatments.
84 citations,
April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
9 citations,
September 2016 in “Forensic science international” Hair area varies with age and sex, but hair index and medullary index do not.
39 citations,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
New methods to classify curly hair types were developed based on shape and strength.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
42 citations,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
13 citations,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
53 citations,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
6 citations,
December 2018 in “International Journal of Cosmetic Science” Mexican women's hair is between Asian and Caucasian hair in thickness and shape, with varied strength and some damage.
4 citations,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
34 citations,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
98 citations,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
10 citations,
June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
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.
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.
7 citations,
October 2019 in “Frontiers in bioengineering and biotechnology” Fusion proteins can protect hair from heat damage.
11 citations,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
4 citations,
April 1955 in “Textile Research Journal” The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
35 citations,
April 2014 in “Journal of proteomics” Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.
2 citations,
August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.