Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
January 2026 in “Journal of Applied Polymer Science” The new fiber offers long-lasting minoxidil release and can be used in wigs for hair treatment and coverage.
15 citations
,
May 2010 in “International Journal of Cosmetic Science” The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
Hair properties change under electromagnetic fields and are influenced by individual characteristics and the environment.
January 2026 in “International Journal of Cosmetic Science” Upcycled pineapple biopolymer is effective and eco-friendly for skincare, suncare, and haircare.
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.
June 1997 in “The American Journal of Cosmetic Surgery” Understanding the science of skin stretching is crucial for safe and effective hair replacement techniques.
February 2024 in “Journal of Cellular and Molecular Medicine” A hydrogel releasing pectolinarin speeds up wound healing and reduces scarring.
12 citations
,
October 1947 in “Journal of the Society of Dyers and Colourists” Mercuric acetate makes wool unshrinkable by changing its elastic properties.
254 citations
,
January 2007 in “Chemical Society Reviews” Hair is a complex protein fiber with unique properties useful for developing hair products.
January 2007 in “Sen'i Gakkaishi” Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.
1 citations
,
May 2013 in “PubMed” Glycylglycine makes hair softer by improving alignment and changing hair's internal properties.
September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
Afro-textured hair needs specialized care due to its unique genetic and structural properties.
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
40 citations
,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
February 2019 in “PubMed” The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
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.
The new method can tell how hair fibers react to moisture after treatments.
161 citations
,
July 2003 in “ACM Transactions on Graphics” Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.
Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.
18 citations
,
March 2009 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
10 citations
,
June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
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.
2 citations
,
September 2004 in “International Journal of Cosmetic Science” Hair quality is genetically determined and linked to its composition and strength.
1 citations
,
July 2020 in “Journal of Al-Azhar University Engineering Sector” Adding human and horse hair fibers to concrete can increase its strength.
Using enzymes to link proteins makes hair repair treatments more effective and long-lasting.
68 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.
October 2014 in “Springer eBooks” Rabbit hair fibers are similar to wool and have a hollow center like feathers.
13 citations
,
June 2011 in “International Journal of Cosmetic Science” Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.