70% Discount: Enjoy a 70% discount on your next M Express spend! Teeth Whitening: Aims to give you whiter teeth in six days with an advanced teeth whitening kit! Process: The UV light activates the whitening agents; combined with oxygenated water it penetrates deep beneath the enamel for an effective and painless whitening process. Results: Achieve fast results with the all-in-one teeth whitening technology from the comfort of your home. Fast Treatment: The whole process takes just 16 minutes, with results starting to appear after 6 days - check out more info here! Smartphone Technology: The kit is connected to your smartphone, so you can whiten your teeth from your own home! | £3 for 70% Discount on Spend - M | UK | Wowcher