The St. Moriz Professional Fast Tanning Mousse is a best-selling self-tanner on Amazon. This fast-acting mousse formula provides an instant bronze tan that develops into a natural-looking color within hours. It is easy to apply and dries quickly, leaving your skin with a streak-free finish. The St. Moriz Professional Fast Tanning Mousse is also enriched with olive milk and vitamin E to moisturize and nourish your skin. With its affordable price and positive reviews, it's no wonder why this self-tanner is a favorite among Amazon shoppers.