Alfaparf Evolution of the Color Contrasti Advanced technology in Coloring. Formulated to create chromatic contrasts on dark or medium-dark bases, for natural or color treated hair in just one step. A creative product to quickly transform every haircut into an artistic style. TECHNOLOGY Long lasting translucent brilliance thanks to our exclusive Crystallized Color Complex of Crystallized Micro-pigments for extra brilliance in color; Meadow Foam Seed Oil color intensifier to better lock in color for longer lasting results. HOW TO USE In a non-metallic bowl, mix 60 ml/2.05 Oz of Evolution of the Color Contrasti with 90ml/3.04 Fl.Oz of OXID'O 20, 30 or 40 vol. (MIXING RATIO 1:1.5). Separate hair sections to be colored. Apply Contrasti to hair sections to be colored, keeping it off the scalp. Process for 35/40 minutes without heat, or 15/20 minutes with heat.