The dye was left on her hair for 30 minutes. It was also wrapped in a plastic bag. The heat from your head will naturally expedite color processing. She used the blow dryer for 3 minutes so that the color would absorb better.
- Apply vaseline around your hairline to prevent smudging.
- Dye unwashed hair.
- Cut a hole on the top of a trash bag and wear it if you don't want your clothes to get dirty!