ORAL CARE PRODUCT AND METHODS FOR USE AND PRODUCTION THEREOF Russian patent published in 2015 - IPC A61K8/03 A61K8/34 A61K8/36 A61K8/368 A61K8/49 A61Q11/00 

FIELD: chemistry.

SUBSTANCE: group of inventions relates to a two-phase mouth wash liquid and a method for use thereof. The disclosed two-phase mouth wash liquid contains a hydrophilic phase, a hydrophobic phase, a hydrotrope and a preservative, wherein the preservative contains (i) sodium benzoate and (ii) potassium sorbate and/or methylisothiazolinone (MIT), and the hydrotrope component contains glycerine and/or propylene glycol. The mouth wash liquid contains (a) 0.05-0.11 wt % sodium benzoate and (b) 0.05-0.2 wt % potassium sorbate and/or 0.0005-0.01 wt % MIT. The hydrophilic phase of the mouth wash liquid can additionally contain cetylpyridinium chloride in amount of 0.01-0.1 wt %, wherein the disclosed method of improving oral health includes using an effective amount of said liquid in the mouth of a subject to reduce the level of cariogenic bacteria.

EFFECT: use of said combination of preservatives coupled with said hydrotrope provides good resistance to microbial contamination without any adverse effect on taste properties or appearance of the mouth was liquid.

12 cl, 1 ex