Use of a chromoionophore and/or a fluoroionophore for dyeing human keratinic fibers, compositions and processes thereof

Use as direct dye, for dyeing human keratin fibers, and in particular the hair, at least one compound selected from the chromoionophores and fluoroionóforos, being constituted this compound of at least one ionophore molecule bound covalently to at least a molecule chosen from among the chromophores and the fluorophores.