Grey hair? Need a quick touch up? No time to colour those grey roots? Introducing the new L'Oreal Paris Magic Retouch Root Touch Up Hair Colour Spray - 1 Black, the first instant root touch up spray that covers grey roots, giving you a flawless and natural look in just 3 seconds. It is effortless, smudge-less and damage-less with a quick-dry formula. The spray is a temporary hair colour and lasts till the next wash. L'Oreal Paris Magic Retouch Root Touch Up Hair Colour Spray - 1 Black is the perfect solution for concealing greys and roots with one quick spray.