This intermixable booster can be used with any SOCOLOR or COLORSYNC shade for an extra boost of color intensity or to neutralize results. What It Does Increase intensity of existing SoColor or ColorSync Copper shades. Warm the color results of existing SoColor & ColorSync Red or Gold Shades What Else You Need to Know

• Unlimited customizable color results • 4 Pure, bright tones immediately intensify or neutralize color results • Intermix easily with SOCOLOR and Color Sync for maximum flexibility

Mix: 1 ½ oz SOCOLOR OR COLOR SYNC + ½ oz SOBOOST with 2 oz Matrix Cream Developer