St. Tropez Self Tan Express Bronzing Mousse The St. Tropez Self Tan Express Bronzing Mousse is an award-winning, 3-in-1 sunless tanner that allows you to customize your tan's depth. By controlling how long you leave the lightweight, tinted foam on before showering, you can achieve a light, medium, or deep bronze that lasts for the whole week. New/Factory Wrapped Size 100ml/3.3oz Retails for $36