The present invention is related to an aqueous oxidative colouring composition for keratin fibres especially human hair. The inventors of the present invention have surprisingly found out that a composition comprising at least one oxidative dye precursor and optionally at least one coupling agent and at least one dipeptide colours hair excellently homogeneously especially hair with various level of damages and improves hair shine, combability and manageability and especially hair coloured with such composition has less flyaways.