Pre-blended formulas are ideal for levels 5-8. Contains Pre-Bonded formula that helps to protect the inner hair structure, colour after colour. The Ultra Light (UL) shades are low in ammonia and are not to be intermixed with the other collections. The UL shades give up to 4 levels of lift, and the UL+ shades can give up to 5 levels of lift. Pre-Bonded ● Pre-Blended ● Pre-Paired