Royal 0-77 Copper Intensifying Hair Dye 60ml 4045787205749

It reinforces the fashionable color aspect at all levels. Can be used with all IGORA ROYAL color tones. Mixing Ratio: The booster will make up 50% of the colorant in your formula. Adding too much booster reduces white coverage, so be sure to adjust the amount of color and how you apply it accordingly. Waiting Time: 30-45 minutes