Your Instructions
Application
Roots
Apply the colour on the roots.
Ends
Wait for 15 minutes, pull through to the ends and leave for 10 minutes.
Ends
Pull through to the ends and leave for 5 minutes.
Mixing Ratio
1:1.5
Mixing ratio: 1 part colour : 1.5 part developer (50ml colour, 75ml developer)
Timing
Your overall timing is minimum 20 minutes in total.