Matrix 30 Volume Developer - Color Insider 9% 32 oz

Matrix COLORINSDER Oil Cream Developer has an exceptionally rich and dense consistency, specifically optimized for precise application.
How To Use
ColorInsider is mixed to 1:1 ratio of Color Cream to Color Insider Oil-Cream Developer

ColorInsider Color MUST be mixed with the dedicated Oil-Cream Developer ONLY. As the developer and color have been specifically formulated to work together, ColorInsider will not perform as expected with another developer.