Clairol Professional creme permanente developer mixes easily with Clairol Professional hair color and powder lighteners into a creamy consistency. Use with Clairol Professional creme permanente with SOY4PLEX to activate the 4 signs of healthy looking color: deep conditioning, reflective shine, multi-dimensional shades and long lasting results. 20 Volume Standard Lift is designed for standard lightening action and superior gray coverage.

Directions for use: Mix equal parts Clairol Professional creme permanente haircolor with equal parts of Clairol Professional 20 volume creme developer. Process for 30 minutes. For maximum gray coverage up to 45 minutes.