5 Tips For Bumping The Natural Base With Haircolor Whether you call it a break base, base bump or base softening—this simple service is a great way to brighten and blend blondes, while blurring lines of demarcation. That’s why we’re sharing the dos and don’ts of lifting your client’s natural base without lightener from California-based blonding specialist Carly Zanoni, aka @the.blonde.chronicles on Instagram. Keep scrollin’ for tips and formulas! [btc-products] 1. When To Base Bump Lift natural base 1 to 2 levels. Soften regrowth and lines of demarcation. Brighten the hair left out of highlights. Refresh...