| abstract |
A composition for controlling the release of an active material, such as fragrances, sunscreens, vitamins, drugs, biocides, pest repellents, catalysts and cooling agents, from a cleaning composition, personal care product, household care product or textile treatment composition, comprising a blend of the active material and a waxy silicone material. The invention is characterized in that the blend of active material and waxy silicone material is present as the disperse phase of an oil-in-water emulsion comprising a cationic surfactant which is an esterquat quaternary ammonium material containing at least one ester linking group in the quaternary ammonium molecule or a cationic surfactant which is a quaternary ammonium material containing at least two alkyl chains each having at least 12 carbon atoms. |