5 citations
,
April 2005 in “Journal of applied polymer science” This study demonstrated that urea significantly accelerates the diffusion of poly(ethylene imine) into bleached human hair by increasing the diffusion coefficient twofold.
5 citations
,
January 2004 in “Journal of applied polymer science” This study found that adding urea to a polyethyleneimine solution improved the coloring ability and color fastness of low-temperature hair dyeing with acid dye by enhancing dye penetration into the hair.
28 citations
,
December 2011 in “Biocatalysis and biotransformation” This study found that a peptide treatment using Protein disulphide isomerase improved the mechanical and thermal properties of over-bleached hair by promoting deeper peptide penetration and attachment.
71 citations
,
September 2013 in “Materials Science and Engineering C” Keratin-based hydrogels from human hair and wool are promising for wound dressings and are more eco-friendly.
5 citations
,
January 2011 in “International Journal of Cosmetic Science” This study found that 1,2,3,4-tetrahydroquinoline derivatives, particularly N-methyl-7-amino-1,2,3,4-tetrahydroquinoline, may be excellent blue dye candidates for human hair, offering superior color purity, stability, and fastness compared to 2,3-dihydroindoles.