Do not use a conditioner or treatment before a service with this product.
If pre-lightening the hair, make sure to completely shampoo out the bleach or toner
No need to use a developer
Make sure to completely saturate the hair - work with small sections at a time.
Leave on the hair for 25 to 40 minutes (no heat required)
Rinse thoroughly with cool water (no shampoo required)
Condition the ends if you feel it is needed.
The lighter the hair, the more vivid and true to colour the effects.
Shades (including clear and noir) can all be mixed with each other to create custom colours and shades.