February 2021 in “Journal of the Korean Society of Cosmetology” Castor oil improves the texture of bleached hair by increasing its strength.
12 citations,
January 2020 in “Analyst” Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
20 citations,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
56 citations,
January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
28 citations,
December 2010 in “Langmuir” Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.
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.
12 citations,
June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
10 citations,
January 2011 in “Skin research and technology” Procyanidin oligomers can protect hair from oxidative damage and could be good for hair care products.
5 citations,
December 2020 in “International journal of biological macromolecules” Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
5 citations,
April 2005 in “Journal of applied polymer science” PEI diffuses into hair at a constant rate, and urea speeds up this process.
4 citations,
July 2022 in “International Journal of Cosmetic Science” Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
4 citations,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
3 citations,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
January 2017 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Sunlight and chemical treatments change hair's internal structure differently, needing specific care.
9 citations,
March 2005 in “International Journal of Cosmetic Science” The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
1 citations,
November 2022 in “Molecules/Molecules online/Molecules annual” Low-molecular weight hyaluronate can make damaged hair stronger.
4 citations,
August 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
January 2008 in “Chinese Journal of Aesthetic and Plastic Surgery” Hair-derived material is safe and effective for skin filling.
43 citations,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
31 citations,
June 2010 in “Journal of dermatology” Hair bleaching causes significant damage to hair and skin.
20 citations,
June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
17 citations,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
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.
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.
6 citations,
October 2003 in “Journal of applied polymer science” A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.
February 2022 in “Cosmetic Dermatology” Permanent hair waving uses chemicals to create long-lasting curls.
January 2014 in “Sen'i Gakkaishi” Researchers developed a method to identify animal fibers in textiles, which works on processed and blended materials.
Different treatments change the strength and flexibility of human hair.
12 citations,
October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
May 2024 in “Ultramicroscopy” Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.