abstract |
A microneedle device comprising: a substrate; a microneedle provided on the substrate; and a bioactive composition attached on and / or on the microneedle, wherein the bioactive composition is , A microneedle device containing at least one polyhydric alcohol selected from glycerin, ethylene glycol, propylene glycol and 1,3-butylene glycol, and a physiologically active substance, and substantially free of water. |