53 citations
,
September 1999 in “Journal of Synchrotron Radiation” Keratinous tissues have multiple structural layers, including ordered keratin and lipid granules.
27 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”
191 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
3 citations
,
August 2018 in “Zenodo (CERN European Organization for Nuclear Research)” Human hair follicles have a natural biomagnetic field.
21 citations
,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” Ultrasonic and infrared treatments can improve hair strength and appearance with minimal damage.
October 2012 in “한국미용학회지” For best curls and hair health, use keratin and ceramide after rinsing, or skip rinsing for stable curls.
January 2025 in “SSRN Electronic Journal” March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Bleaching and UV exposure significantly damage hair.
5 citations
,
September 2017 in “Colloids and surfaces. B, Biointerfaces” Tying a knot can measure hair friction, useful for medical applications.
55 citations
,
September 2020 in “Frontiers in Bioengineering and Biotechnology” Engineered MOFs show promise for better wound healing but need more research for human use.
August 2018 in “Biomedical Journal of Scientific & Technical Research” Treated hair can fight dandruff and odor even after several washes.
22 citations
,
January 1990
June 2026 in “arXiv (Cornell University)” Hair beds in fluid show nonlinear response due to viscosity, inertia, and elasticity.
36 citations
,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
7 citations
,
May 2024 in “Gels” The new collagen and tannic acid hydrogel effectively stops bleeding and aids tissue repair better than current options.
9 citations
,
April 2025 in “International Journal of Nanomedicine” An injectable ibuprofen gel speeds up diabetic wound healing by reducing inflammation and promoting tissue growth.
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.
1 citations
,
December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
July 2019 in “Ferroelectrics” More human hair protein makes the films weaker and less clear.
3 citations
,
August 2023 in “Biophysical Journal” Mitochondrial activity varies in cells before they stop growing, affecting their growth potential.
April 2012 in “J. Willard Marriott Library” Cannabinoids like THC and THCA get into hair through skin oils, not hair color.
4 citations
,
July 2018 in “International Journal of Research -GRANTHAALAYAH” Human hair has a natural biomagnetic field.
A rigid compound with a common structural motif was successfully synthesized.
October 2015 in “Cosmetic Dermatology” Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.
July 2017 in “Cancer Research” Polyamines help repair DNA breaks and may influence cancer development.
January 2018 in “대한미용학회지” White hair is denser and more hydrophobic than black hair.
March 2022 in “Book Publisher International (a part of SCIENCEDOMAIN International)” Human hair has bipolar electrical charges due to gaps in the hair follicle's electromagnetic fields.
35 citations
,
July 2009 in “Optics express” Researchers created a new light source that improves chemical imaging by removing background noise.
52 citations
,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.