DMS (derma membrane structure) in foam creams
AssigneeNsc Pharma GmbH & Co. KG
InventorThomas Neubourg
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Abstract
The invention relates to a foam formulation comprising an emulsion, comprising an oil phase and a water phase, the oil phase comprising at least one membrane-forming substance forming a lamellar membrane in the foam formulation.
Claims10
A foam formulation comprising an oil-in-water emulsion which comprises an oil phase and a water phase, wherein the oil phase comprises membrane-forming substances that form a lamellar membrane within the emulsion, said membrane-forming substances comprising at least one phospholipid and at least one lipid selected from the group consisting of a triglyceride and a liquid wax ester, wherein the formulation contains less than 1.5% by weight of amphiphilic, micelle-forming compounds having a molecular weight of less than 5000, and wherein said lamellar membrane is characterized by the presence of Maltese crosses when viewed under a polarization microscope.
Dependencies are inferred from the claim text.