Da Vinci by Lien is an organic teeth-whitening spa, where you'll be able to sit back and relax in Human Touch massage chair, and enjoy a soothing experience while achieving a brighter smile all in just 20 minutes. Da Vinci by Lien's method is a light accelerated teeth whitening system, using LED blue light and a food grade whitening gel to safely remove staining from your teeth in 1 to 3 20-min...