4 citations
,
October 2012 in “Archives of Dermatology” Hair diameter diversity is a key sign for diagnosing and managing male pattern baldness.
23 citations
,
March 2010 in “Medical hypotheses” Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.
5 citations
,
February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
December 2016 in “RepositóriUM (Universidade do Minho)” Simulations of hair keratin help improve disease treatment and cosmetic products.
7 citations
,
October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
1 citations
,
January 2023 in “Chemical Engineering Journal”
4 citations
,
November 2004 in “Clinical and Experimental Dermatology” Hair length and thickness are related, with thickness peaking at about a quarter of the hair's maximum length.
January 1994 in “Journal of the society of cosmetic chemists”
13 citations
,
January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
8 citations
,
January 1968 DMSO causes reversible swelling in hair but has a complex, less reversible effect on skin.
Nano-sized sunscreens may penetrate skin and pose toxicity risks.
Hair feels different when touched and rubs together in various ways.
September 2014 in “Chinese Journal of Dermatology” Hair diameter difference, brown skin discoloration around hair follicles, and missing hair in certain areas are key signs of androgenetic alopecia (commonly known as hair loss) when viewed under a dermoscope.
2 citations
,
August 2019 in “Turkish Journal of Chemistry” Researchers made minoxidil efficiently using cobalt ferrite nanoparticles as a reusable catalyst.
August 2011 in “BIO-PROTOCOL”
March 1963 in “Sangyo Igaku” Women generally have higher levels of iron, copper, and zinc in their hair than men, with differences increasing with age.
July 2009 in “International Journal of Cosmetic Science” Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
Type II spiral ganglion neurites avoid high concentrations of laminin and fibronectin.
Chirality influences the structure, strength, and biological uses of peptide-based hydrogels.
February 2024 in “Research Square (Research Square)” People today have lower levels of arsenic, lead, cadmium, and iron in their hair than people did 100 years ago.
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 2025 in “Journal of Raman Spectroscopy” Polarized Raman spectra can reveal changes in hair keratin's protein structures.
2 citations
,
November 2022 in “Acta crystallographica. Section B, Structural science, crystal engineering and materials./Acta crystallographica. Section B, Structural science, crystal engineering and materials” A new platinum complex was made and studied, which might help fight cancer better.
20 citations
,
May 2023 in “Biological Trace Element Research” Daily intake of 0.5 or 5 mg cobalt ferrite nanoparticles can harm lungs through oxidative and inflammatory stress.
January 2011 in “Nuclear Techniques” Lead levels in hair increased due to environmental exposure, while iron, copper, and zinc levels stayed stable.
30 citations
,
November 2012 in “Proceedings of the Royal Society B Biological Sciences” Hard α-keratins stay stiff in water because the surrounding matrix keeps them dehydrated and strong.
18 citations
,
January 1977 in “Annals of Nutrition and Metabolism” Genetic disorders can disrupt mineral and trace element metabolism, affecting health.