7 citations
,
July 2025 in “The Journal of Physiology” C-tactile nerves are sensitive to hair movement.
25 citations
,
November 2018 in “Cell reports” The study concluded that specific proteins are necessary to maintain the structure that holds epithelial cells tightly together.
31 citations
,
December 2022 in “Cold Spring Harbor Perspectives in Biology” Understanding cell transitions can lead to better wound healing treatments.
January 2016 in “Frontiers in Bioengineering and Biotechnology” Keratin-based hydrogels can be improved for medical use by adding PEG, making them more soluble and adjustable.
February 2026 in “Journal of Craniofacial Surgery Open” Hair extensions can damage scalp health and cause hair loss, especially with prolonged use.
Hair feels different when touched and rubs together in various ways.
6 citations
,
September 2021 in “Experimental Brain Research” Rats have different touch receptors in their paws that help with movement and handling objects.
May 2024 in “International journal of medicine and psychology.” Future sailors need to handle uncertainty well to succeed.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
479 citations
,
June 2014 in “Science” Epithelial stem cells can adapt and help in tissue repair and regeneration.
March 2026 in “ACS Applied Bio Materials” The TO-TF copolymer strengthens damaged hair effectively and sustainably.
9 citations
,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
January 2026 in “Nano-Micro Letters” 4D scaffolds made with melt electrowriting can change shape for use in medicine.
28 citations
,
August 2013 in “Hypertension” Potassium channel openers help form elastic fibers in arteries and can treat elastin deficiency and hypertension.
Mechanical stress causes ligament thickening through WISP-1 and Hedgehog signaling.
October 2023 in “Materials chemistry and physics (Print)” Adding keratin to a mix of cow hair and plant-based plastic makes it stronger.
2 citations
,
January 1987 in “Acta Agriculturae Scandinavica” Certain chelators lighten mink skin and hair, increase skin elasticity, and disrupt hair growth without affecting fur quality.
12 citations
,
January 1994 in “PubMed” Elastic fiber arrangement in mammal skin varies by hair density and body region.
34 citations
,
September 2007 in “Experimental Dermatology” The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.
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.
December 2016 in “Journal of Pakistan Association of Dermatology” Tissue expansion is a safe primary method for hair restoration in patients with large scalp defects before hair transplantation.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Esrp1 is important for skin health by helping form and maintain the skin barrier.
25 citations
,
November 2012 in “Thermochimica Acta” Internal lipids in keratin fibers, like wool and hair, reduce water absorption and release.
8 citations
,
August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
2 citations
,
November 2024 in “International Journal of Pharmaceutics X” Desmopressin-loaded liposomes can effectively deliver drugs through the skin, improving bioavailability and patient compliance.
22 citations
,
May 2021 in “Nature Communications” Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.
1 citations
,
July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
July 2025 in “Journal of Investigative Dermatology” Collagen scaffolds in cell therapy can transform skin to be more resilient and pressure-responsive.
July 2025 in “Journal of Investigative Dermatology” Tissue-engineered skin substitutes can model junctional epidermolysis bullosa and may help develop gene therapy.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.