Learn More About This One-Step Repigment Technique!

You know that to take blonde hair back to a natural dark shade, you must fill the hair, and you also know that this two-step technique—called a tintback or repigmenting the hair—results in warmer hues. But what if you want to take a blonde back to a natural cool brunette? Tintback 101—you can’t use cool hues to fill (you’ll get a muddy green!). In this situation, try the pigment lock! We got the deets on this master-level color technique from Wella Professionals Signature Studio Artist Danielle Stern (@danielle_wella) when…