摘要:
A process and composition for dyeing hair involving the precipitation of an anionic polymeric dye by means of a cationic polymer preferably in the presence of a surfactant and particularly an amphoteric surfactant.
摘要:
A process for coloring hair in which a functional metal ion and aminoalkyl or aminohydroxyalkyl catechols are used in combination or applied sequentially to dye the hair rapidly.
摘要:
Process for dyeing human hair by the sequential treatment of the hair with a metal ion and particularly transition metal ion containing composition and with a dye composition containing 5,6-dihydroxyindole-2-carboxylic acid.
摘要:
Compositions for coloring keratinous fibers comprising a sulfo-containing, water-dispersible polymer having carbonyloxy linking groups, and a colorant reacted into or onto the polymer backbone.
摘要:
A method of coloring keratinous fibers with, and coloring compositions comprising, a sulfo-containing, water-dispersible polymer having carbonyloxy linking groups, and a colorant reacted into or onto the polymer backbone.
摘要:
A process for preparing dye compositions which comprises hydrolyzing an O-protected 5,6-dihydroxyindole with an alkaline material under anaerobic condition and the products made by such process.
摘要:
Compounds of formula: ##STR1## and oxidation hair dye compositions containing the same; also includes a process for dyeing hair with such compositions; Ar being an aryl radical.
摘要:
A substituted m-aminophenol coupler useful in hair dyeing having the formula ##STR1## and acid addition salts thereof wherein x and y are selected from the group consisting of halogen and the groups OR of which R is the same or different alkyl, aminoalkyl or hydroxyalkyl groups, at least one of x or y being a group OR and a process for preparing these compounds.
摘要:
A method of coloring keratinous fibers with, and coloring compositions comprising, a sulfo-containing, water-dispersible polymer having carbonyloxy linking groups, and a colorant reacted into or onto the polymer backbone.
摘要:
A process for preparing dye compositions which comprises hydrolyzing an O-protected 5,6-dihydroxyindole with an alkaline material under substantially anaerobic condition and the products made by such process.