What Self-Tanner Should You Use? We Make Sense of Every Formula

Water activates this brand-new type of self-tanner. You can apply it in the shower, leave it on your body for three minutes, rinse it off, and wait for your tan to develop on your clean, dried skin. It is recommended to be used three days in a row to get the perfect bronze hue.

St. Tropez Dubbed Gradual Tan In-Shower Tanning Lotion ($25, available in June at Ulta)