L'Oreal Paris Magic Retouch Blond 75ml The #1 Root touch up spray in the World. 3 2 1 ROOTS GONE! Your go-to solution for concealing grey regrowth in between colours. With a precise spray applicator the lightweight and non-transferable formula blends with your natural hair colour to perfectly cover grey roots. Magic Retouch dries instantly and lasts until washed out. Available in a broad spectrum of shades from blonde to black there is a colour to suit you.