9 citations
,
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.
Curly wool has more orthocortex than straight wool.
107 citations
,
October 2014 in “PeerJ” Hair's molecular structure is mostly consistent, but genetic differences affect lipid types, which could help diagnose diseases.
6 citations
,
March 1996 in “Journal of Investigative Dermatology” 63 citations
,
December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
New methods to classify curly hair types were developed based on shape and strength.
March 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Spiny mice have a unique skin structure that helps them heal and regenerate quickly.
1 citations
,
September 2021 in “International journal of research - granthaalayah” Human hair has bipolar electrical charges because of a gap in the hair follicle's electromagnetic field.
22 citations
,
February 2002 in “Journal of theoretical biology” The model showed that randomness accurately describes individual hair growth cycles and that synchronization can cause large fluctuations not seen in humans.
22 citations
,
January 1985 Water makes hair more flexible, especially the outer layer.
23 citations
,
July 1994 in “Journal of Dermatological Science” Pili torti hair twists due to uneven outer root sheath cell development.
40 citations
,
September 2004 in “Biomacromolecules” The Glu413Lys mutation in keratin affects hair stability, while Glu413Asp does not.
24 citations
,
June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
35 citations
,
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.
December 2018 in “International Journal of Research -GRANTHAALAYAH” Biomagnetic forces can deform red blood cells.
July 2025 in “Communications Biology” Rat vibrissae structure relates to their sensory function.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
The model explains how mammal ear hair cells respond to sound and adapt.
September 2015 in “Research Portal (King's College London)” Human hair movement is affected by its inner structure and chemical treatments.
13 citations
,
May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
7 citations
,
January 1988 3 citations
,
January 1994 January 2025 in “SSRN Electronic Journal” 19 citations
,
May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
44 citations
,
February 2016 in “Science” Researchers developed a new type of memory using antiferromagnets that is stable, not disrupted by magnets, and works at room temperature.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
4 citations
,
December 2018 in “International Journal of Research -GRANTHAALAYAH” Biomagnetic forces can deform red blood cells, not just mechanical factors.
28 citations
,
October 1985 in “The Journal of Cell Biology” Researchers isolated and identified structural components of human hair follicles, providing a model for studying hair formation.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing certain muscles might straighten curly hair.