Its easier for you to create it, with light reflective pigments that are balanced with tonal richness, eliminating the need to mix multiple shades. A better way to cover resistant greys featuring a low ammonia system. High tech single step blonding formula proven to fit, neutralise and tone without the use of bleach. Soften the hair more which leads to more lightening of natural pigment. Have a higher level of alkalinity. You can use them on virgin hair for one step lifting and depositing. Permanent color.