Best natural: Klēn natural mint toothpaste - See at Klēn Klēn's Natural Mint is a fluoride-free toothpaste with a gentle, clean taste and an ingredient list our dentists approve of. Best ...

Lookfantastic.com While testing Marvis’s toothpaste whitening mint in our review of the best, our writer used the formula both morning and night for one month, assessing everything from taste to ...