Kenra Color Simply Blonde Base Breaker Extra Cool provides up to 1 level of lift in 5 minutes. This one-step base breaker gently lifts & helps neutralize warm tones. Ideal for most hair types and untreated hair for a subtle base change. Recommended for levels 7 and above. Features: Neutralizing to soften & blend Lifts up to 1 level in 5 minutes Quickly lifts base while neutralizing to soften & blend Blonding you can trust. How To Use: Mix Kenra Color Simply Blonde Base Breaker 1:1 with 20V Kenra Color Creme Devloper Apply to dry hair or towel dried hair and process for up to 5 minutes Rinse thoroughly; shampoo & condition with the appropriate Kenra Prefessional care products