Usage instructions: Rinse your teeth with water and brush for 2-3 minutes. It is recommended to brush your teeth twice a day. Using it in combination with the correct brushing technique will yield better results. Precautions: Please keep it out of the reach of infants. Do not eat it. Be cautious of swallowing. Storage conditions: Please store in a cool and dry place, avoiding direct sunlight. Warning: Not suitable for children under 3 years old.