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Scientific Evidence


Post–hoc analysis of 6-month long-term study demonstrates that the adjunctive use of an essential oils-containing mouthrinse twice daily provides 2x more healthy gingival sites versus brushing and flossing alone.1

Clinical Studies

LISTERINE® Antiseptic has more than 35 years of clinical studies and scientific support.

Plus sign

Find out more about LISTERINE® Brand products’ safety and tolerability.

Scientific innovation

Learn how LISTERINE® Brand rinses compare to other rinse products.