Health and Beauty Coloration Matrix Pre Bonded Permanent Hair Color 90ml 7Bc Pre-balanced, Pre-mixed and Pre-Bonded permanent coloration. Get the predictability you seek and the results you envision with SoColor. Our pre-balanced shades achieve colors just the way you want them. Long lasting results. Long-lasting results Pre-balanced tones that give you the result you imagine in your color service. Cera Oil conditioning complex. Up to 35 shampoos. Cana cover. Total control.