Bleekpoeder Tanden - Houtskool - Zwart - Set van 2 - Mint - Tanden Bleken - Teeth whitening powder

I saw a difference the first time I used it! I first applied the powder to my electric toothbrush, then rinsed it off, and finished brushing with a basic toothpaste. My teeth looked directly whiter, but this aspect is still fleeting and you would have to be regular to see a real change.