Redken Color Fusion Haircolor ColorCreme - Fashion Size - 2.1 oz. tubeRedken Color Fusion Advanced Performance ColorCreme was created with Redken's exclusive High Fusion Technology, which combines Advanced Dye Performance with an Exclusive Conditioning Creme System for unsurpassed quality in permanent haircolor. Color Fusion forms long-lasting color that resists fading and won't wash out. Directions for Color Fusion:Mix Redken Color Fusion shades (including 12 Series) in a 1:1 ratio of color to Pro-oxide Developer. For example, mix 2 oz. (60ml) of Color Fusion with 2 oz. (60ml) of Redken Pro-oxide Developer.Directions for Double Blonde:Mix Redken Double Fusion - Double Blonde in a 1:2 ratio of color to Pro-oxide Developer. For example, mix 2 oz. (60ml) of Color Fusion with 4 oz. (60ml) of Redken 40-volume Pro-oxide Cream Developer.Directions for Double Lights:Mix Redken Double Fusion - Double Lights in a 1:2 ratio of color to Pro-oxide Developer. For example, mix 2 oz. (60ml) of ColorRedken