Dia color is an alkaline demi-permanent gloss colour with no ammonia*. The portfolio includes 100% true-to-tone natural reflects. Formulated with up to 91% natural origin ingredients**, and up to 70% grey coverage. It provides 3x more shine*** and enhances hair vibrancy. The texture is creamy for easy mixing, application, and rinsing. Exclusively for professional use. The end of dull hair is here!