The main hazards of enzyme toothpaste are that people with allergies may become allergic after using it, and the hardness of teeth may decrease after prolonged use, while dizziness may occur after prolonged use due to the fact that enzyme is an enzyme. 1. Allergy: After using enzyme toothpaste, people with allergies may experience allergic reactions, such as constipation, skin rashes, abdominal pain and other symptoms. 2. Decrease in tooth hardness: After using enzyme toothpaste for a long time, if you don’t rinse your mouth in time after brushing your teeth, and the ph value in your mouth is high, your teeth may be corroded, resulting in a decrease in hardness and even cracks. 3. Dizziness: enzymes belong to a kind of enzyme, prolonged use will lead to an increase in lipids in the blood, increase the loss of calcium in the body, there will be dizziness and other symptoms. If the above symptoms occur, it is recommended to go to the hospital in a timely manner, early formal treatment.