Step 1: Before you do anything, follow the first three steps listed in the Allover Color section, far left. Then, starting at the back of your head and working forward, apply the solution, keeping it one inch away from the roots. Massage the color in so every strand is covered.
Step 2: Let it sit for 20 to 30 minutes, but check the progress every five to 10. Don't be alarmed if you see a tinge of red; hair exposes in stages as it lightens, says NYC celebrity colorist Marie Robinson.
Step 3: After 30 minutes, apply the rest of the solution onto roots, and time for an additional 10 to 30 minutes, depending on how light you're going.
Step 4: Rinse a strand above your ear and gently pull on it to make sure it doesn't break. If it does, rinse your hair immediately and follow with a protein mask. If hair still has a golden tint, leave the dye on for 10 more minutes. If the color looks good, rinse with warm water, then shampoo your hair and condition.