Hydrogen Peroxide 3%, 32 oz, QC94769 Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. First aid solution to help prevent the risk of infection in minor cuts, scrapes and burns. Aids in the removal of phlegm, mucus, or other secretions associated with occasional a sore mouth. For use as a gargle or rinse.