Read the label and follow the product-specific directions
Measure the recommended amount, usually 20 mL or 4 teaspoons
Swish it around your mouth for 30 seconds
Gargle if the label says to do so
Spit it out completely
Do not swallow it
Do not rinse your mouth with water immediately after using it unless the label says to
Use it once or twice daily as directed
Keep it out of reach of children
Do not use it if the seal is broken or the product is expired
Stop using it and seek advice if you get irritation or an allergic reaction