- Step by step replaces dim with regular looking color -Stop any time and leave somewhat dim, or continue to go until all the dark is gone -Conditions hair while making it thicker and look fuller -Works for any tone hair -There's no blending, no wreck; Apply day by day for 2 to 3 weeks and you'll get the specific shading that is ideal for you; Then, at that point, use more than once per week to keep it that way