Neutralizer shampoo Blue and violet neutralizing pigments reducing unwanted tones and provides cold tones while protecting your color for a longer time, specific for dark and rinsed hair thanks to this professional care, you will get, thanks to this neutralizing system combined with the mask and The cream without rinse brass off apply it on the wet hair, so long until foam comes out and lets it act between 3 and 5 minutes and then clarify with abundant water: we recommend continuing the process with the Conditioner Brass off