Kills 99.9% of odor-causing bacteria to help freshen breath. Works in denture surface pores.* For a cleaner, fresher, brighter denture. Deep cleans tough stains. Triple mint freshness. Why clean dentures with Polident cleanser instead of toothpaste? Did you know: dentures are about 10X softer than natural? Toothpaste contains abrasives that can damage dentures? *Polident overnight whitening MicroClean Formula preparation helps remove stubborn stains and kills 99.9% of odor-causing bacteria. For best results in surface pores, soak overnight as directed. Use Polident cleanser daily for a cleaner, fresher and brighter denture.