Our probiotic whitening toothpaste contains aloe vera and licorice root extract. It can brighten teeth, cover yellow teeth, protect gums, relieve gum discomfort, keep breath fresh, say goodbye to bad breath. Reduce tooth decay and promote oral health. Its use method is very simple: 1. Put a proper amount of toothpaste on the toothbrush. 2. Gently brush your teeth in a circular motion from the inside out for 1-2 minutes. 3. Rinse off with water. And can freshen the smell of the mouth, keep the smell for a long time, improve comfort