- do not use on patient with sensitive to hydrogen peroxide, alcohol
- use allowed volue of gel and keep application method
- stop using and ask a doctor if hypersensitivity symptom continue
- keep away from the reach of children
- avoid storage under direct sunlight or high temperature
- use twice or three times a day for 2 weeks
- apply a small amount gel on the surface of the teeth in a circular motion and dry for a minute. do not rinse