Claim 1: a method for the preparation of a Toothpaste which comprises a film of Polymer matrix with low solubility in the same FLAVORING, characterized in that it comprises the steps of: a) forming a film of Polymer Matrix in the substantial absence of flavour. Low solubility.Wherein Said polymeric Matrix comprises a water-soluble Polymer and a Hydrophobic / lipophilic Additive； b) form a basis for Toothpaste which comprises a FLAVORING of low solubility； (c) combining with the base film of Polymer Matrix and (d) keep to Toothpaste； A composite Film of Polymer Matrix and basis for Toothpaste for an appropriate period of time.What an effective amount of a FLAVORING of low solubility is transferred from the base film for Toothpaste into the polymer Matrix.Claim 3: The Method according to claim 1 or 2, wherein one or more of The Hydrophobic / lipophilic Additives selected from the group consisting of: petrolatum, Silicone Oil, bees wax, Hydrogenated soybean oil, Sweet Almond Oil, Oil m An u00ed, Avocado Oil, Borage Oil, Palmitic acid, Carnauba wax, Cocoa Butter,Castor Oil, Coconut Oil, Primrose Oil, Glycerin, Glyceryl Stearate, Jojoba Oil, Camphor, kaolin, Lanolin, Cod Liver Oil, linseed oil, Corn Oil, Olive Oil, Palm Oil, paraffin, Squalene, rapeseed oil, Rose Oil, Oil Safflower Oil, Sesame Oil, Shea Butter, Silicone Oil, Pine Oil, Dimethicone,Wheat Germ Oil, Sunflower Oil, and combinations thereof. Claim 5: The Method according to claim 4, wherein Said Cellulosic Polymer comprising hydroxypropyl Methyl Cellulose.The Method of claim 6: According to any one of claims 1 to 5 wherein the ratio by weight of Polymer water soluble Hydrophobic / lipophilic Additive is 10: 1 and 4: 1.The Method of claim 12: According to any one of claims 1 to 11, wherein the polymer Matrix to form Film comprises METHOCEL E5, METHOCEL E50, zno Powder and Tween 80.The Method of claim 14: According to any one of claims 1 to 13 wherein the basis for Toothpaste to form includes: polyethylene gl
