POLYPHASE COMPOSITION FOR ORAL ADMINISTRATION FOR TEETH WHITENING Russian patent published in 2020 - IPC A61K8/31 A61K8/06 A61K8/22 A61K8/81 A61Q11/02 

FIELD: hygiene.

SUBSTANCE: group of inventions relates to oral care. Multiphasic composition for oral dental bleaching contains 0.002 wt. % to 5 wt. % of an aqueous phase by weight of the multiphase composition to be used in the oral cavity; hydrophobic phase; at least one bleaching agent in aqueous phase; wherein hydrophobic phase makes predominant part of composition; wherein the concentration of the bleaching agent is in range of 0.01 wt. % to 0.095 wt. % of the multiphase composition to be used in the oral cavity; wherein the multiphasic composition for use in the oral cavity is a water-in-oil emulsion. Also disclosed are a kit for use in the oral cavity and a method of teeth whitening.

EFFECT: group of inventions provides higher effectiveness of bleaching, higher rate of bleaching, less impact on sensitivity of teeth and/or less ability to irritate soft tissues of oral cavity.

14 cl, 13 dwg, 5 tbl, 4 ex