TOOTH WHITENING Russian patent published in 2018 - IPC A61K8/21 A61K8/24 A61K8/55 A61Q11/02 

FIELD: hygiene.

SUBSTANCE: present invention relates to a tooth whitening means and method. Claimed tooth whitening agent comprises composition (A) and composition (B) in separate formulations to be applied by alternately applying them to the teeth. Composition (A) contains 0.1-30 wt% of phytic acid or a salt thereof which does not contain any polyvalent metal cation, or contains such cations in a molar amount of less than 0.1 time that of phytic acid, which has a pH of 4-6.5 and contains a fluoride compound in an amount such that the ratio of the mass of the fluoride in terms of fluorine atoms to the mass of phytic acid is 0.05 or less or alternatively does not contain fluorides. Composition (B) contains one or more components selected from orthophosphoric acid, condensed phosphoric acid and salts thereof, in an amount of 0.01-15 wt% and has pH value of 6.5-10.5. Whitening method comprises successively applying composition (A) and (B) for 20 seconds to 10 minutes or 1 to 90 minutes in the event that one sheet is formed, consisting of a layer of composition (A) and a layer of composition (B).

EFFECT: claimed inventions quickly and effectively impart lustre to the teeth and have a whitening effect on the teeth.

18 cl, 6 tbl, 11 ex