Top seller! SD Naturals whitening treatments are trusted by dentists across North America to create bright smiles using only natural ingredients and innovative light technology, now available at retail! Visible results in only 20 minutes, 2-8 shades in 5-7 days. Initial whitening and 6 months aftercare included. -Blue led light designed to accelerate the whitening -Enamel safe and sensitivity-free -Made with all-natural, vegan ingredients by nice Canadian