The Duo from Twice | Best Whitening Toothpaste

The Duo includes a tube of Early Bird and a tube of Twilight for day and night respectively. While Early Bird includes wintergreen and peppermint, Twilight includes peppermint, vanilla, and lavender. Both tubes are great if you’re looking for the best whitening toothpaste. Twice does not include parabens, sugar, triclosan, or other harmful ingredients.