PIZ BUIN Tan & Protect Tan Intensifying Sun Spray SPF15 will help you get the most out of your time in the sun. Tan & Protect is sweat and water resistant and combines effective UVA/UVB protection with Illumiton. By increasing the production of the skin’s tanning pigment, Illumitone helps accelerate the speed of the natural tanning process - for a fast, safe and beautiful tan.