L\'Oreal Paris Magic Retouch Instant Root Concealer Spray Light Blond- 75ml. The world\'s number 1 root concealer brand, ideally covers grey hair; match and blend magic retouch root concealer spray instantly; can be matched with your hair colour, even salon colour, for a natural looking finish.. Why magic? This hair spray is simple and quick to use, especially when in a rush or on the go; having a last minute emergency?. Easy to carry around in your handbag and is also cabin approved so ideal for when you travel; this low commitment spray is ideal for those in need of a quick fix between home colourings and salon appointments or sudden appearance of grey hair.. Product lasts until washed out with shampoo and only a small amount is required; can be used for up to 25 uses. 75ml Each can.. How to use? Transform your grey hair instantly in 3 seconds; hold the can 10-15 cm from hair and spray roots in a light stream; allow 1 minute to dry before achieving your ideal look; magic retouch covers grey hair quickly and efficiently