For perfect results and a tan that lasts longer and fades more evenly. St. Tropez Prep & Maintain Tan Enhancing Moisturiser guarantees self-tanning results, reduces tan break-up and improves fade. St. Tropez Prep & Maintain Tan Enhancing Moisturiser leaves skin velvety soft and smooth for the best possible results. Many lotions contain ingredients that can degrade or break down your tan, but St. Tropez Prep & Maintain Tan Enhancing Moisturiser is specially formulated to work with self tan.