FIELD: medicine, pharmaceutics.
SUBSTANCE: invention refers to chemical-pharmaceutical and cosmetic industry, and represents a cosmetic or pharmaceutical composition which contains a hydrophilic external phase, at least one cosmetic and/or pharmaceutical active ingredient, and at least one carrier for the active ingredient. The carrier forms such structures which contain at least two layers of plate-type double membrane sandwiched one above the other with a layer of an internal phase arranged between the adjoining parallel layers of the double membrane. The active ingredient is distributed in the layer of the double membrane and in the layer of the internal phase so that the layer of the internal phase contains the active ingredient within the range of concentrations 2 wt % to 98 wt %, and the layer of the double membrane contains the active ingredient within the range of concentrations 98 wt % to 2 wt % respectively in relation to the full concentration of the active ingredient, and the external phase does not contain or contains a very small amount of the active ingredient.
EFFECT: invention provides creating the high-efficacy pharmaceutical or cosmetic agent.
72 cl, 15 ex, 3 dwg
Authors
Dates
2012-10-20—Published
2008-10-01—Filed