Stable oral care compositions

摘要

A single-phase oral care composition is described. The composition comprises both calcium and phosphate sources and is substantially free of water and is substantially free of generated calcium phosphate comprising compounds. The single-phase oral care composition is stable, maintains good viscosity characteristics and avoids the need for compartmentalized packaging.

主权项

1. An oral care composition comprising:
(a) a calcium source having a solubility of less than 0.001 moles per liter of water at room temperature;
wherein the solubility is measured by dissolving the calcium source in water and measuring the moles of the dissolved calcium source per liter of water at room temperature;wherein the calcium source is 0.1% to 50% by weight of the oral care composition; (b) a phosphate source;
wherein the phosphate source is 0.5% to 15% by weight of the oral care composition; (c) thickener; and (d) carrier humectantwherein the oral care composition is toothpaste or gel;wherein the oral care composition comprises less than 1.5 wt % of water, based on a total weight of the oral care composition;wherein the oral care composition is a one phase composition having the calcium source and the phosphate source therein;wherein the calcium source comprises at least one of calcium carboxymethyl cellulose, calcium alginate, calcium silicate and a mixture thereof; andwherein the oral care composition, when stored at 50 degrees Celsius for 2 months, is substantially free of calcium phosphate.