Achieve 100% grey coverage that's vibrant and true to tone with Color Rhapsody Permanent Cream Color. Leaves hair 72% more visibly shiny for professional-level care that shows. Color Rhapsody Permanent Cream Color comes 68 intermixable shades. The Moroccanoil ProArginine + ArganID™ System is proven to provide exceptional protection throughout the color process, delivering vibrant, long-lasting color with intense shine.Features: 100% grey coverage Helps reduce damage caused by color service 72% increase in shine 96% of clients experience overall scalp comfort 9+ weeks of salon-vibrant color ProArginine + ArganID System How to use: Ratio 1:1 Development time: 30 - 45 minutes without heat, 15 - 25 minutes with heat Preparation of mixture: Mix 1 part color rhapsody with 1 part oxidative cream developer 5 vol. (1.5%), 10 vol. (3%), 20 vol. (6%), 30 vol. (9%), or 40 vol. (12%) in a non-metallic bowl Use immediately after mixing Apply on dry, unwashed hair. Normal color development is 30 - 45 minutes without heat, or 15 - 25 minutes with heat