Product Overview Keep unwanted grey roots at bay with L’ Oréal Professionnel Hair Touch Up Black 75ml. Benefits Designed to blend away grey whilst leaving behind a natural & imperceptible finish, this root concealer is suitable for use on all hair types, & has been infused with black make-up pigments to naturally blend with your hair colour. Simply shake well & spray onto dry, styled hair. Spray onto unwanted grey hairs & blend through using your fingers for natural looking results.