L’Oréal Magic Retouch Instant Root Concealer Spray in Chestnut is a temporary root touch-up spray that offers a quick and convenient solution to cover gray roots and extend time between hair colorings. The key active ingredients in this spray include pigments that blend seamlessly with your hair color, providing instant coverage. The mechanism of action involves the spray formula adhering to the hair strands, creating a natural-looking finish. This spray offers a lightweight and non-sticky texture, making it easy to apply without weighing down the hair. The application is effortless, simply spray onto the roots for instant coverage. Experience a boost in confidence with this root concealer that helps maintain a polished look between salon visits.