Perfectly personalizes color. Hi-Fusion 2-in-1 Tonal Amplifier and Highlighter offers infinite creative possibilities with shades that mix and match together or with Color Fusion. Cool or warm, subtle or bold ... Hi-Fusion shades create an endless spectrum of color results.

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 Color Fusion with 4 oz. (60ml) of Redken 20-volume or 30-volume Pro-oxide Cream Developer.