The reviewer, Alisha, shares her positive experience with Brilliant Black Toothpaste by Terra & Co. - VOID She mentions that she usually uses regular toothpaste but decided to try this whitening vegan mint toothpaste. Alisha brushes her teeth with it for two minutes, twice a day. After using it for a week, she noticed a significant improvement in the color of her teeth, which were previously yellow. Alisha highly recommends this toothpaste and mentions that the 3.4 ounce bottle will last her a while. Overall, she is pleased with the results and encourages others to give it a try.