Enjoy whiter teeth and fresher breath for 12 hours: Our formula, fortified with chlorhexidine and zinc acetate, is scientifically proven to combat the cause of bad breath for 12 hours. Dental Bar: The White Mouthwash CB12 has una Specially formulated with polyvidone (PVP) to help whiten teeth*. With regular use (1-2 times a day after brushing), a noticeable whitening effect can be seen in just two weeks. Recommended by dentists of the UFSBD (French Oral Health Union): Clinically proven to combat bad breath, our mouthwashes are recommended by dentists to combat bad breath. Sodium, mouthwash CB12 strengthens tooth enamel and provides protection against cavities. Una alcohol-free formula and origin naturale 95%: our mouthwashes CB12 They are alcohol-free, a substance that can irritate and dehydrate the mouth.*EP Patent No. 3697380 1 When used 1-2 times a day for 2 weeks: the studies by Seeman et al. J Breath Res. 2016, June 22;10(3):036002, doi:10.1088/1752-7155/10/036002 Thrane PS, Young A., Jonski G. et al. J Clin Dent 2007;18(3):82-6. Marinho VC, Chong LY, Worthington HV, Walsh T. Fluoride for tooth strengthening: Cochrane Database Sys. Rev. 2016 Jul 29;7:CD0022284. Doi:10.1002/14651858.cd002284.pub2. Reich E. et al. Mouth and dental caries. International Dental Journal (2002) 52:337–345.