Redken’s new Root Fusion is billed as the first professional root-blending solution prescribed by the colorist and personalized to the client that effectively diffuses grays between salon appointments in 20 minutes or less. Providing just enough for one application to the part and hairline, Root Fusion is a single-use kit that includes one set of gloves, an easy-to-follow instruction sheet, the low-ammonia Professional Root Retouch color prescribed by the colorist, developer, one professional...