Apply after all processing has been completed and rinsed
Apply a generous amount and comb through thoroughly.
Leave on the hair for a minimum of 10-20 minutes. Keep in mind, the longer it's on, the more effective it is.
(If Applicable: Toner) You will actually use No.2 before your toner if specified not to shampoo your toner out. If you are instructed not to shampoo, then you will rinse highlight, apply No.2 for a minimum of 10-20 mins, shampoo thoroughly- or TWICE (issues with toners not taking are due to hair not being thoroughly shampooed) and then apply your toner, rinse and condition. If you are able to shampoo a toner out (as per your brand) then you will Rinse highlights, apply toner, process, rinse and apply No.2, process a minimum of 10-20 mins, shampoo and condition as normal.