316 citations
,
June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
January 2011 in “Nuclear Techniques” Lead levels in hair increased due to environmental exposure, while iron, copper, and zinc levels stayed stable.
3 citations
,
December 1956 in “PubMed”
2 citations
,
September 2002 in “Dermatologic Surgery” Each group of hair follicles on the scalp shares one muscle that helps control hair movement.
5 citations
,
March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
7 citations
,
June 2021 in “Amino acids” Human hair protein modifications could potentially indicate heart disease risk.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing certain muscles might straighten curly hair.
24 citations
,
June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
9 citations
,
September 2013 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” Matriptase is highly active in hair follicles and sebaceous glands, especially during hair growth phases.
5 citations
,
January 1976 in “Acta Dermato Venereologica” Sodium and potassium levels in Egyptian scalp hair differ by sex and can aid in legal cases.
February 2013 in “Journal of the American Academy of Dermatology” Iron supplements may reverse premature hair graying caused by iron deficiency.
71 genetic markers explain 38% of male-pattern baldness risk.
23 citations
,
February 2025 in “Advanced Materials” The dressing speeds up wound healing by 41% using moisture-generated electricity and antibacterial properties.
October 2008 in “Trace Elements and Electrolytes” Tailored supplementation of calcium, magnesium, and vitamin D based on hair analysis may improve bone health.
4 citations
,
September 1944 in “The American Journal of the Medical Sciences” 2 citations
,
August 1987 in “Analytical Biochemistry” A new method isolated previously undetected hair proteins rich in glycine and tyrosine.
4 citations
,
October 2022 in “Journal of Biomedical Materials Research Part A” Magnesium oxide-infused membranes help heal wounds faster by reducing inflammation and promoting skin and hair follicle growth.
21 citations
,
April 1990 in “Journal of comparative neurology” The study found that nerve signals are stronger when there are more connection points, but not necessarily denser, along the nerve's path in the spine.
12 citations
,
March 2021 in “Journal of Investigative Dermatology” TRPM5 is crucial for maintaining hair growth.
10 citations
,
June 2001 in “Annals of neurology” Alzheimer's patients have higher levels of certain chemicals in their hair.
117 citations
,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
3 citations
,
May 2025 in “Lasers in Surgery and Medicine” Microneedle radiofrequency helps skin repair and rejuvenate by activating fibroblasts and remodeling the skin's structure.
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.
September 2024 in “Frontiers in Genetics” A specific genetic marker is linked to male pattern baldness in Han Chinese men.
4 citations
,
July 2025 in “Annals of the New York Academy of Sciences” Combining skeletal and molecular anthropology improves identifying human remains.
1 citations
,
January 2015 in “Bulletin of the Russian Academy of Sciences Physics” Hair tissue can help monitor environmental and public health risks.
4 citations
,
December 1989 in “The Journal of Dermatology” Human hair proteins have similar cysteine and glycine levels to skin proteins.
2 citations
,
January 1976 in “Munich Personal RePEc Archive (Ludwig Maximilian University of Munich)” Sodium and potassium levels in Egyptian scalp hair differ by sex and can aid in legal cases.
8 citations
,
April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
90 citations
,
July 1993 in “Journal of Investigative Dermatology”