Hello. Thank you for visiting our store, we buy things in a licensed pharmacy in the European Union. When used regularly twice a day, the tablets hydrodynamically dissolve and remove hard plaque from dentures, they also remove stains from tea, coffee and nicotine. Corega Tabs have an antibacterial and disinfectant effect, help prevent plaque and inflammation. Corega Tabs provide a feeling of cleanliness and freshness in the mouth throughout the day. Dosage Dissolve 1 tablet in a glass of warm water. Immediately lower the dentures into the glass with the solution and make sure that the dentures are completely immersed in the solution. Leave them in the solution for 10-15 minutes. If desired, you can leave the dentures in the solution overnight.