DYEING COMPOSITION FOR KERATINOUS FIBRES WITH DIRECT CATIONIC COLOURING AGENT AND A NON-IONIC SURFACTANT

摘要

The invention concerns a dyeing composition for keratinous fibres, in particular for human keratinous fibres such as hair, comprising, in a medium appropriate for dyeing, at least a direct cationic colouring agent of specific formula. The invention is characterised in that it further contains a non-ionic surfactant selected among the group consisting of alkylpolyglucosides, sugar or alkylsugar fatty acid esters, fatty sucramides, and their mixtures. The invention also concerns methods and devices using said composition.