Oral care compositions which comprise stannous and potassium salts

摘要

The present invention relates to a single phase oral care composition comprising:
a. a stannous salt
b. a potassium salt
c. a chelant
d. less than 0.01% sodium lauryl sulphate
wherein the oral care composition provides a soluble fluoride ion level of greater than 50% of the total fluoride ion. The composition of the invention has been found to allow prolonged contact between stannous ion and nitrate ion in a single dentifrice without toxic effects or insoluble products. The invention further provides for the maintenance of an efficacious fluoride ion level.