What happens next?

How to lighten dyed hair
Rinse your hair with hot water.
The heat will open up the cuticles, allowing more of the dye to be stripped out. Thoroughly saturate your hair, in either the shower or over the sink.

OPT:
a). Once the water is completely out, turn off the faucet and rinse out the dye with warm, running water. Rinse your hair thoroughly with a clarifying shampoo.;
b). Squeeze some essential oils into the warm water. Using essential oils is one of the most essential components of lightening your hair.;
c). Wash with a non-color-safe clarifying shampoo. The shampoo should be used immediately after you undergo your unsatisfactory coloring, and should strip some of the new color from your hair.;
d). Rinse the shampoo out with hot water, then rinse the conditioner out of your hair at the end of the shower. Your final rinse should be 30-second or less in between washes.;
c).