A fan favourite whitening kit that's taking over bathrooms worldwide has just launched an offer that's hard to ignore. SmilePro's Advanced Whitening Kit , which sells every 20 seconds globally, promises visibly whiter teeth in as little as seven days - all without dentist visits, sensitivity, or a hefty £300 price tag. With more than 5,000 five-star reviews and more than half a million customers, the Australian-born brand has become a go-to for those looking to brighten their smile from home.