Rapid Development Ultra Dark sunless tanning solution is enriched with antioxidants and botanicals as well as the highest-grade sunless tanners that leave the skin hydrated, while creating an immediate and natural-looking Ultra Dark tan. This formula absorbs and dries quickly and develops in 2 hours. For darker results, it continuously deepens over a 12 hour period creating a tan that lasts 7-14 days. The walnut based instant bronzer will create an immediate color that will be the envy of many.