The Paul Mitchell Cream Developers are intermixable with Color XG® Permanent Hair Colour shades, Crema XG® Demi Permanent Hair Colour shades, and Paul Mitchell® lighteners. The ultra-rich consistency mixes to achieve an unsurpassed texture for application control. Ensure to select the relevant strength for the desired level of lift. 5 Volume (1.5%) for demi deposit and repigmentation 10 Volume (3%) for deposit + minimal lift 20 Volume (6%) for 1-2 levels of lift 30 Volume (9%) for 2-3 levels of lift 40 Volume (12%) for 3-4 levels of lift