Sienna x is paraben and alcohol free and is full of natural ingredients that condition tone and care for your skin it develops into a beautiful natural looking tan that will leave you glowing and bronzed in just 8 to 10 hours sienna x is available in a choce of shades to perfectly suit your skin tone if you are in a hurry why not try the sienna x 39tonight39s the night39 express tan it develops in just 2 to 4 hours perfect for that last minute night out