DMS (derma membrane structure) in Foam Creams

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.

1 . A foam formulation comprising an emulsion which comprises an oil phase and a water phase, wherein the oil phase comprises at least one membrane-forming substance forming a lamellar membrane in the foam formulation. 
     
     
         2 . The foam formulation according to  claim 1 , wherein the emulsion is an oil-in-water type emulsion. 
     
     
         3 . The foam formulation according to  claim 1 , wherein the at least one membrane-forming substance comprises a lipid. 
     
     
         4 . The foam formulation according to  claim 3 , wherein said lipid is a triglyceride that comprises caprylic acid/caprinic acid triglyceride. 
     
     
         5 . The foam formulation according to  claim 3 , wherein the lipid comprises a phospholipid. 
     
     
         6 . The foam formulation according to  claim 5 , wherein said phospholipid is lecithin or lecithin that comprises hydrated lecithin. 
     
     
         7 . The foam formulation according to  claim 1 , wherein the emulsion further comprises at least one thickening agent which is preferably selected from the group consisting of hydroxypropylmethyl cellulose, xanthan gum and mixtures thereof. 
     
     
         8 . The foam formulation according to  claim 1 , wherein the emulsion further comprises a stablilizer. 
     
     
         9 . The foam formulation according to  claim 8 , wherein the stabilize comprises pentylene glycol. 
     
     
         10 . The foam formulation according to  claim 1 , wherein the emulsion further comprises shea butter, glycerol, squalan, ceramide, preferably ceramide 3 or mixtures thereof. 
     
     
         11 . The foam formulation according to  claim 1 , wherein the emulsion further comprises an oil or Oils lubricating substance. 
     
     
         12 . The foam formulation according to  claim 1 , wherein the emulsion further comprises at least one active agent. 
     
     
         13 . The foam formulation according to  claim 12 , wherein the active agent is selected from the group consisting of hydroviton, pyrrolidone carbonic acid and salts thereof, lactic acid and salts thereof, glycerol, sorbitol, propylene glycol, urea, collagen, elastin, silk protein, hyaluronic acid, pentavitin, ceramides, panthenol, niacin, a-tocopherol and esters thereof, vitamin A, vitamin C, galates, polyphenols, panthenol, bisabolol, phytosteroles, glycocorticoides, antibiotics, analgetics, antiphlogistics, antirheumatics, antiallergics, antiparasitatics, antipruriginosics, antipsoriatics, retinoids, local anaesthetics, therapeutic agents for the veins, ceratolytics, hyperemisic compounds, coronary therapeutics (nitrates/nitro-compounds), virus statics, cytostatics, hormones, agents promoting wound healing, growth factors, enzyme preparations, insecticides and plant material such as e.g. plant extracts of algae, aloe, amica, barber's rash, comfrey, birch, stinging nettle, calendula, oak, ivy, witch hazel, henna, hops, camomile, ruscus, peppermint, marigold, rosemary, sage, green tea, tea tree, horsetail, thyme walnut and mixtures thereof. 
     
     
         14 . The foam formulation according to  claim 1 , wherein the emulsion is a substantially emulsifier-free emulsion. 
     
     
         15 . The foam formulation according to  claim 1 , wherein the emulsion is free of emulsifier. 
     
     
         16 . The foam formulation according to  claim 3 , wherein the lipid comprises bioidentical fats. 
     
     
         17 . The foam formulation according to  claim 1 , wherein the formulation is a foam cream. 
     
     
         18 . The foam formulation according to  claim 1 , wherein the emulsion comprises at least one phospholipid and at least one liquid wax ester. 
     
     
         19 . The foam formulation according to  claim 18 , wherein the phospholipid comprises lecithin, or a triglyceride. 
     
     
         20 . The foam formulation according to  claim 1 , wherein the membrane-forming substance is not soluble in water. 
     
     
         21 .- 33 . (canceled)