This intermixable booster can be used with any SoColor or ColorSync shade for an extra boost of color intensity or to neutralize results.
• Increase intensity of existing SoColor or ColorSync copper shades
• Warm the color results of existing SoColor or ColorSync red and gold shades
• Unlimited customizable color results
• 4 pure, bright tones immediately intensify or neutralize color results
• Intermixes easily with SoColor and Color Sync for maximum flexibility