Simply gorgeous beauty uses crazy angel tan i have 6 and 9 dha spray tan you should leave your tan on for upto 4 6 hours depending on how dark you want the colour to go if you leave it on over night then expect a huge colour difference the next day this will be as dark as you can go but i do not reccomend going over the stated times it is very improtant to maintain the tan i have lots of tips on how to keep the tan for longer you may also purchase the crazy angels shower exfoliat