This fabulous One Hour Tanning Mousse is odourless, non-sticky & fast drying developing into a beautiful natural looking tan in only 1 hour that will last for up to 7 days. To achieve a darker colour we recommend 2 to 3 hours for a Medium Tan and 4 hours for a darker tan. Do not exceed the recommended 4 hours! Youre guaranteed to get a beautiful, golden tan with Montana Tans range of Chloe Sims Starship products.