St. Moriz Advanced Pro Formula Fast Response Tanning Mist The New St. Moriz Advanced Pro Formula collection brings you the most advanced range yet. Salon quality formulations, with advanced ingredients and proven results, it will revolutionise and lock down your perfect tan. Get ready to transform your tanning experience! Ideal for those who like a quick fix tan, the St. Moriz Advanced Pro Fast Response tanning Mist allows you to control your shade. Achieve a light glow in 1 hour, a medium tan in 2 hours and a dark tan in 3 hours. For those who like a deeper tan, leave on for longer.