Kenra Blue Booster Permanent Color Additive

For pros mixing Kenra Color Permanent on levels 5 and below, this additive builds custom signature shades. Blue enhances cool tones and neutralizes unwanted warmth when added at 1/4 oz per ounce of color.

Part of Kenra Color with Balancing Complex 5 for shine, condition and saturation. Process per the permanent shade, then rinse.