COSMETIC OR PHARMACEUTICAL COMPOSITION CONTAINING LIPOSOMES AND METHOD OF ITS PREPARING Russian patent published in 1999 - IPC

FIELD: cosmetology, pharmacology. SUBSTANCE: cosmetic and pharmaceutical composition shows an antiandrogenic activity, it has liposomes, conventional additions and a compound of the formula (I) as an active component where R₁ means cyanyl or nitrile radical or halide atom; R₂ means trifluoromethyl radical or halide atom; group A-B is taken among radicals or where X means oxygen or sulfur atom and R₃ means hydrogen atom and other radicals given in the invention description; Y means oxygen or sulfur atom or radical R₂. Invention describes a method of preparing the above indicated compositions. The use of compositions ensures to obtain high and prolonged concentration of an active substance in epidermis and derma of live body and minimizes the penetration of an active component in circulation. EFFECT: enhanced effectiveness of the composition. 12 cl