Product Overview
Formulated for use with cr??me permanente and demi permanente formulas, these dedicated developers provide superior viscosity and create optimal bowl-and-brush application.cr??me permanente developerTo match or deepen color, use 10-volume cr??me permanente developer.To cover more than 30% gray, use at least 20-volume.To lighten natural hair color Levels 4-10 (Light Brown - Lightest Blonde):1 Level10 Volume2 Levels20 Volume3 Levels30 Volume4 Levels40 Volume5 LevelsDouble 40* Volume (When mixed with high-lift blondes)To lighten natural hair color Levels 1-3 (Black - Medium Brown):1 Level20 Volume2 Levels30 Volume3 Levels40* VolumeNOTE: For additional lift, formulate 1-2 Levels lighter than the desired Level.cr??me permanente demi permanente developerCreate a deposit-only formula by mixing with equal parts cr??me demi permanente hair color. Will not lighten and covers up to 50% gray.