Need advice for mix ratio with Koleston Perfect 10/0 and 88/0 and 12% peroxide?
Development time?
Mix ratio?
Best way to apply?
Its going on a T-section which has 10/0 and peroxide highlights already.
Thanks in advance!!
Development time?
Mix ratio?
Best way to apply?
Its going on a T-section which has 10/0 and peroxide highlights already.
Thanks in advance!!