Vani-t's fastest most advanced chocolate based formula with quad bronzing technology, includes a transdermal delivery system for the ultimate natural tanning experience. Leave on your skin for 1 hour to create a light glow, 2-4 hours for a medium glow, 4-6 hours for a dark glow and 8 hours for a ultra dark glow. The most popular tanning mousse in the Vani-T range.