Is whitening toothpaste just a waste of money? They promise a dazzling Hollywood smile, but our investigation reveals these products barely make a difference | Daily Mail Online
Amazon.com: Customer reviews: Rembrandt Toothpaste, Intense Stain, Mint Flavor, 3.52-Ounce Tubes (Pack of 3)
Rembrandt Intense Stain Whitening Toothpaste with Fluoride Mint, 3.52 oz : Amazon.co.uk: Beauty