What It Is A fast acting rinse-out mask that doubles as a leave-in treatment, clinically proven to strengthen hair, reduce breakage, + prevent future damage What It Does Multi-tasking has never been so easy. Packed with bond cure technology, plant butters, + vegan proteins, this fast acting rinse-out mask doubles as a leave-in treatment that works to moisturize, strengthen your strands, and repair damage in 60 seconds. For a stronger mane, in an instant.