| abstract |
A skin patch (1) comprising: a support (2) impermeable to water, said support having at least a first and a second part, the first part being devoid of adhesive means and being able to accumulate and conserve electrostatic charges; a biologically active substance (5) in powder form, said substance being bound directly to the first part of the support via coulombian and / or van der Waals forces between said biologically active substance and the support; and means (3) for maintaining the patch on the skin of a mammalian individual, means covering the second part of the support and forming a seal, thereby forming a chamber between said support and said skin, chamber comprising said substance biologically active; ensuring the volume and permeability of the chamber the release of the biologically active substance through the transpiration of the skin inside the chamber, characterized in that the support consists of polyethylene terephthalate. |