Staining color tube art?go art?go color is a very economical coloration thanks to its large capacity she is very gentle on your hair, it contains 30% less ammonia than conventional dyes its pigment concentration is 25% higher it does not irritate and does not flow ideal cover for gray hair / white perfume and pleasant texture mixture: 1 + 1 as much color as oxidizer 50 ml + 50 ml for a classic coloring pause time: 45 minutes capacity: 150 ml.