It helps prevent and reduce: Plaque. Gingivitis. Use every 12 hours for 24 hour protection. Kills germs by millions on contact. Prevent and reduce plaque gingivitis. Freshen breath. Kill germs between teeth. ADA accepted. The ADA Council on Scientific Affairs Acceptance of Cool Mint Listerine Antiseptic is based on its finding that the product is effective in helping to prevent or reduce gingivitis and plaque above the gumline when used as directed.Other products from HerbsPro