| abstract |
This invention relates to micellar compositions comprising at least one pharmaceutically active substance and a mixture of n-alkyl dimethyl benzyl ammonium chlorides, wherein the mixture comprises more than 30% n-alkyl dimethyl benzyl ammonium chlorides having a chain length superior or equal to C 16 . This invention also relates to ophthalmic compositions containing such micellar compositions and methods of using these ophthalmic compositions for the treatment of eye conditions. |