HD Resolution Developer.
HDR Technology - The low alkaloid formula penetrates deep inside the hair, low lift - up to 1 level, the saturated color delivers a clean result with glow and vibrant reflects. A blend of conditioning polymers smoothes the haira surface for enhanced condition and brilliant shine.
To be used with HD Resolution hair colors. Developer and color are mixed in 1:1 ratio. Apply to hair and leave at room temperature for 20 minutes. Rinse, wash with shampoo and use a conditioner.