Iwhite Natural Whitening Toothpaste Features A Formula Rich In Natural Whitening Agents. One Of Its Key Components, Papain From Papaya, Works Wonders By Breaking Down The Protein Structure Of Plaque, Making It Easy To Eliminate Stains That Cling To Your Teeth For A Brighter Smile. In Addition, Strawberry Extract Is Included In The Mix. Research Has Shown That Burs Can Significantly Diminish Surface Stains, Contributing To A Progressively Brighter Smile With Every Application. This Toothpaste Is Perfect For Gentle Yet Effective Daily Oral Hygiene And Is Completely Safe For Enamel, With No Peroxide In Sight.