"This treatment adds noticeable shine to the hair, and can also dip into the cuticle to deposit color and prevent your newly-added hair dye from falling ... last in the hair up to one week ...
Cyd Charisse, hair expert and founder of Destroy The Hairdresser, agrees, noting that box dyes have really had a “glow up” in recent ... like a salon color can.” Box dye formulas have ...