Creme Permanent Developer is a dedicated developer specially formulated to be used with Clairol Professional's Creme Permanent hair color. The SOY4PLEX formula leaves the hair conditioned while ensuring a long-lasting, healthy looking coloring result.
To match or deepen color, use 10 Volume Creme Permanent 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 Level - 10 Volume
2 Levels - 20 Volume
3 Levels- 30 Volume
4 Levels - 40 Volume
5 Levels - Double 40* Volume (When mixed with high-lift blondes)
To lighten natural hair color Levels 1-3 (Black - Medium Brown):
1 Level - 20 Volume
2 Levels - 30 Volume
3 Levels - 40* Volume
NOTE: For additional lift, formulate 1-2 levels lighter than the desired level.