May 2024 in “International journal of medicine and psychology.” Transcranial electrical stimulation may help reduce certain immune markers in COVID-19 patients.
5 citations
,
September 2017 in “Colloids and surfaces. B, Biointerfaces” Tying a knot can measure hair friction, useful for medical applications.
109 citations
,
November 2011 in “Nature Neuroscience” 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.
October 2023 in “Materials chemistry and physics (Print)” Adding keratin to a mix of cow hair and plant-based plastic makes it stronger.
August 2025 in “Systematic Reviews” Photobiomodulation may improve certain health conditions, but more high-quality research is needed.
May 2026 in “Brazilian Journal of Hair Health” Bleaching damages hair the most, while dyes improve combability but still cause protein loss.
3 citations
,
September 2005 in “International Journal of Cosmetic Science” Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
October 2022 in “Journal of Pharmaceutical Negative Results” Photobiomodulation therapy shows promise in treating various health conditions by using specific light wavelengths.
1 citations
,
January 2010 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” Straight permed hair loses weight faster than virgin hair when heated, but ends up heavier after burning.
13 citations
,
January 2014 in “Dermatology” Radiation-induced alopecia after angioembolization usually heals on its own and can look like other hair loss types, but patient history helps prevent misdiagnosis.
10 citations
,
January 1989 in “Archives of Dermatological Research” The method effectively analyzes human hair proteins, especially nonfilamentous ones.
May 2013 in “CRC Press eBooks” Electrolysis and laser treatments offer more permanent hair removal, but have limitations.
3 citations
,
November 2021 in “Applied Microscopy” Hair microscopy is a simple and cost-effective method to help diagnose systemic diseases in children.
1 citations
,
January 2015 in “Bulletin of the Russian Academy of Sciences Physics” Hair tissue can help monitor environmental and public health risks.
12 citations
,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
98 citations
,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
20 citations
,
September 2022 in “Journal of Biomedical Optics” PBM helps improve cell survival in 3D tissue engineering.
3 citations
,
November 2024 in “Electrochimica Acta” A new, quick method accurately detects minoxidil in drugs and cosmetics.
37 citations
,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
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.
19 citations
,
July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
18 citations
,
April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
27 citations
,
February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
NaOH treatment improves hair strength and suitability for textiles.
8 citations
,
December 2003 in “Materials Research-ibero-american Journal of Materials” Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.
10 citations
,
December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
Biofield Energy Healing may help hair growth and skin health.
6 citations
,
January 2018 in “PubMed” Heavy metals might contribute to hair loss in Telogen Effluvium.