What Is Breaking The Base With Hair Color? How do you โbreak the baseโ? Also called base softening or base adjusting, the process to break the base in haircolor is simple when you understand color formulation, your clientโs underlying pigment and the right product to use. Learn when and why to break the base with hair color with this technique from color queen and BTC Team Member Josie Vilay (@josievilay)! [btc-products] BTC spent the day at Josieโs salon, Hairology, in Winnipeg, Manitoba to get an in-depth look at what it means to base break and how...