Blend the 1: 1 ratio for a normal colouring, or 1: 2 for a lighter shade.
NATURAL HAIR: apply on lengths and tips, then on the roots after 15 to 20 minutes.
DYED HAIR: apply on the roots, then on the lengths and ends after 15 to 30 minutes.
Leave to act as indicated on the instructions.
Rinse thoroughly, then wash and follow with conditioner