Kills up to 99.9% of germs that cause plaque, gingivitis and bad breath Child resistant package Listerine® Antiseptic Mouthwash contains three essential oils to kill up to 99.9% of germs to prevent gingivitis, reduce plaque and freshen breath. #1 dentist recommended brand* *Among over-the-counter mouthwashes There is only one Listerine®. The makers of Listerine® do not manufacture mouthwash for any other brand or company.