4 Natural Ash Toning Formulas + Tips For Mastering The Service Toning is equivalent to icing a cake or applying top coat after a nail service. It's the final step that can neutralize brassy tones and add a serious wow factor to your end result. To help you master that, we are breaking down four toning formulas + tips for achieving the perfect hue from some of the best painters on Instagram (@paintedhair, @prettylittleombre, @danielmbeauty and @rochellegoldenhairstylist). Plus, with the new Redken Shades EQ Natural Ash series, creating icier finishes has never been easier! Scroll down for the deets. ...