Can Loreal Color Zap effectively remove black hair dye?

Question by Jynn: Can Loreal Color Zap effectively remove black hair dye?
I originally have dark brown hair, and I dyed my hair black (worst mistake I've ever done to my hair), I want to remove black hair dye. Would Loreal Color Zap work? If it does, would my hair turn back to dark brown, or

Hair Removal How...