Final answer:
SoColor Clear should not be mixed with any other series of hair dye.
Step-by-step explanation:
In the context of hair coloring, SoColor Clear is a type of hair dye used to lighten or add shine to the hair. It is not recommended to mix SoColor Clear with any other series of hair dye. Mixing SoColor Clear with another series may alter the desired color outcome and affect the effectiveness of the product.