Biomechanical properties of human hair with different parameters

Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)
Berivan ErikNuriye Karakus

Abstract

Investigations on the mechanical properties of human hair are inadequate. This research explores the break force of anagen hair by forming criteria according to the diameter of hair, gender, age, strain, use of drugs and hair dyes and how these criteria affect the mechanical resistance of hair. The resistances of anagen hair of 120 volunteers were investigated in our biomechanics laboratory. The relationship between the value of break force of hair and hair diameter, gender, age, strain, use of drugs and hair dyes was examined. Tensile tests were applied to each hair with a 50 N load cell device. The statistical evaluation demonstrated a significant difference between the break forces of hairs with different hair diameters. The hairs with a diameter of 51 mum and above had a significantly higher break force than those of 50 mum and below (P=0.000). An insignificant correlation was observed between break force and strain (P=0.554, r=-0.055) whereas the correlation between diameter and strain was statistically significant (P=0.000, r=0.361). The break force of hairs did not show any significant dependency on age, presence of hair dyes, gender and usage of drugs. Yet, a statistically significant difference was observed between the...Continue Reading

References

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Citations

Sep 7, 2016·Journal of Environmental Sciences (China)·Jia DuZhongqiang Liu
Jan 3, 2013·The British Journal of Dermatology·S N KimW S Park
Feb 13, 2016·International Journal of Cosmetic Science·E SayahiF Sakli
Mar 23, 2017·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·M G A Leite, P M B G Maia Campos
May 8, 2018·Photochemistry and Photobiology·Marcella Gabarra Almeida Leite, Patricia M B G Maia Campos
Dec 12, 2019·Proceedings. Mathematical, Physical, and Engineering Sciences·Elsabe CloeteMalebogo N Ngoepe
Mar 11, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Malebogo N NgoepeNonhlanhla P Khumalo

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