Conceal greys and roots instantly with Magic Retouch from L’Oréal Paris; an Instant Root Concealer Spray. The hair spray offers temporary coverage for greys or roots and lasts until it is shampooed out. With a lightweight formula, the root concealer does not transfer and is perfect for daily root touch-ups. The ideal shade for very dark hair, each bottle lasts up to 30 uses. – E.W.