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 & proven results, it will revolutionise & 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 means that you can control your shade. Achieve a light glow in 1 hour, a medium tan in 2 hours & a dark tan in 3 hours. For those who like a deeper tan, leave on for longer.