TCS Concentrated Denture Cleaner safely, quickly and effectively maintains the cleanliness of all dentures and dental appliances. One sachet is designed to last up to one week making it an economical solution to conventional denture cleaners. It is a non-abrasive cleaner specifically designed for the hygienic cleaning and maintenance of TCS appliances and all others. 1 Sachet is mixed with a cup of warm water - this solution will last for 7 days before needing to be replaced. A daily 30 minute soaking has proven to be effective in maintaining the appearance and cleanliness of dental appliances. Overnight soaking in TCS Cleaner solution will not harm your appliance.