Mobile Spray Tan & Beauty Therapy About Sienna X Sienna X initially started off as the Spray Tan Cubicle Company which was founded in 2004 and sold the amazing Pop Up Cubicle and quickly grew and expanded to Sienna Sun after huge demand for spray tanning equipment.  Soon after they started making their own tanning solutions they renamed themselves to become Sienna X in April 2007. Sienna X is one of the most popular spray tan brands available.  It is becoming more and more popular even though it is not available on the high street. The spray tan solution contains Natural Active Ingredients.  It is PARABEN and ALCOHOL FREE and Foxy Glow have 4 gorgeous strengths to choose from to give customers the best natural looking tan. Sienna X is associated with high profile TV shows such as How to Look Good Naked, Strictly Come Dancing and continues to receive media attention in glossy magazines and in the press. It’s the Spray Tan brand everyone is raving about.