abstract |
The invention relates to a pharmaceutical composition in the form of a hydrogel comprising a carboxylic acid diester, a C2-C4 alkyl alcohol, an active substance and a polymer matrix. The invention also relates to the use of a carboxylic acid diester as a transdermal permeation intermediate for an active substance of a pharmaceutical composition in the form of a hydrogel, where the composition comprises a polymer matrix and a C2-C4 alkyl alcohol. The invention also relates to a perspiration resistant composition in the form of a hydrogel comprising an acrylic polymer in combination with a cellulose derivative. |