- Specifically formulated to maintain an acidic pH and stabilize viscosity
- Ensures the proper tone, depth and durability when used with Shades EQ Gloss
- Doesn't lift hair’s natural pigment
Process at room temperature for 20 minutes, up to 40 minutes for gray hair. For resistant hair, process for 15 minutes with plastic cap under pre-heated warm dryer. Remove cap and cool for 5 minutes. For resistant gray hair, process 20 minutes with plastic cap under pre-heated warm dryer. Remove cap and process for additional 20 minutes at room temperature. Follow with Color Extend Shampoo and Conditioner.
NOTE: No other developer may be substituted for Processing Solution. To do so would cause unpredictable results.