Ammonia-free hair tint as intense as a hair colour. This tint is particularly suitable if you want to intensify your hair colour change it discreetly or even out the first grey tones. It lasts up to 20 washes. Gives smooth and silky hair with wonderful shine! Directions of use Apply to dry unwashed hair. Leave on for 20 min. Rinse thoroughly. To be used together with the Color Excel developers. Mixing ratio 1:2.