Medium Brown Rusk Permanent Hair Color 4.03 NL

Rusk Deepshine Permanent Cream Color in shade 4.03NL, which is Medium Brown. It's a 100ml 3.4 fl. oz. permanent colour. Made in Italy. Requires a developer (not included) Volumes: Developers come in different strengths (10, 20, 30, or 40 Volume). For a standard medium brown permanent color like this, it is typically mixed with 20 Volume developer (for standard grey coverage or staying at the same darkness level) or 10 Volume (if just depositing color) Retails for $10 to $20 in stores and online.