| abstract |
The invention relates to a pharmaceutical composition in the form of a hydrogel that comprises a carboxylic acid diester, a C2-C4 alkyl alcohol, an active ingredient and a polymer matrix. The invention also relates to the use of a carboxylic acid diester as a transdermal permation enhancer for an active ingredient in a pharmaceutical composition in the form of a hydrogel, whereby the composition comprises a polymer matrix and a C2-C4 alkyl alcohol. The invention also relates to a sweat-resistant composition in the form of a hydrogel, which comprises an acrylic polymer in combination with a cellulose derivative. |