Alisha Jared (@alishajaredhairartistry) from Siren Salon in Vancouver, WA. says "Years of the same blonde on top, red underneath, called for a big change for my client. She's a busy mom who doesn't want to be a slave to the chair. We didn't have time to lighten out her red in this session, but we neutralized it as best we could and will continue to address that another time."
Here she shares the HOW TO:
Formula A: (1:2 ratio) Joico Chrome N6 = Joico Chrome A5 + Joico Chrome Activator