Base Breaking 101: How To Use This Method to Blend & Soften Harsh Lines Ever finish a blonding service and notice the line of demarcation is a little too harsh? That’s where base breaking (also known as base bumping) comes in. It’s a quick, controlled way to soften that contrast, blend the base and tone all at once for a seamless finish. The goal: soften, don’t lighten... Base breaking isn’t about taking your client lighter overall—it’s about shifting the natural base just enough (anywhere from half a level to to one level) to eliminate that harsh line between...