10 citations
,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
12 citations
,
January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
29 citations
,
October 2004 in “Differentiation” Multiple mouse desmoglein 1 isoforms have distinct roles in skin and hair development.
The 2% minoxidil cream is stable, spreads well on the skin, and helps with hair growth.
51 citations
,
September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
9 citations
,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
21 citations
,
July 2010 in “International Journal of Cosmetic Science” Older people's hair becomes less shiny because it gets more uneven and curved.
39 citations
,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
October 2024 in “Applied Sciences” Cell growth improved the strength of 3D bioprinted structures.
7 citations
,
March 2024 in “Scientific Reports” The neighborhood face index (NFI) accurately predicts properties of complex molecules.
January 2009 in “Chinese journal of Clinical Medicine” 3 citations
,
November 2021 in “Protein and Peptide Letters” β-thymosin in invertebrates is more complex and diverse than in vertebrates.
10 citations
,
August 2021 in “Frontiers in cell and developmental biology” Scientists made structures that look like human hair follicles using stem cells, which could help grow hair without using actual human tissue.
Modern hair styling products don't repair hair but improve its surface and stability.
January 2019 in “Applied Organometallic Chemistry” The compound (NH4)2Mn0.17Cu0.83Cl4.2H₂O has a specific structure, shows weak magnetism at low temperatures, and undergoes phase changes at high temperatures.
228 citations
,
January 1997 in “Birkhäuser Basel eBooks” Keratin proteins and their genes are crucial for hair growth and structure.
July 2025 in “Carbohydrate Polymers” The green alga Parachlorella sp. has potential for use in cosmetics and health products due to its antioxidant, anti-hypertensive, and hair growth properties.
11 citations
,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
4 citations
,
November 2024 in “Materials” The film creates vibrant colors and can be used in food sensors and cosmetics.
175 citations
,
January 1995 in “Birkhäuser Basel eBooks” Human hair growth and structure are influenced by keratin proteins, genes, melanin, and lipids.
3 citations
,
April 2012 in “Bioinformation” Two specific SNPs in the TRPS1 gene cause excessive hair growth by altering the protein's structure.
6 citations
,
August 2014 in “Spectroscopy Letters” The analysis shows where minoxidil's atoms are likely to react and describes its electronic transitions and behavior with temperature changes.
Understanding hair surface properties is key for effective hair care products.
July 2025 in “International Journal of Dermatology Venereology and Leprosy Sciences” The human amniotic membrane is a promising material for skin treatments and hair growth.
May 2024 in “Ultramicroscopy” Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
425 citations
,
August 2002 in “BioEssays” The cornified cell envelope forms a protective barrier in skin and hair, using specific proteins and lipids to maintain effectiveness.
9 citations
,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
New methods to classify curly hair types were developed based on shape and strength.
42 citations
,
February 2017 in “Scientific Reports” Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.