An adherent gelled or pasty composition for cleaning and/or scenting a toilet, wherein the composition is applied internally onto the toilet ceramic and is rinsed off only after several flushing operations, the composition comprising: a surfactant selected from the group consisting of alkylpolyglycosides, amphoacetates, amphodiacetates, betaines, fatty alcohol ethercarboxylic acids, fatty acid sarcosinates, cocamidopropylamine oxide, aminopropionates, and biosurfactants； perfume； and water； wherein the composition comprises, as an adhesion promoter, an ester of polyisobutene succinic acid, and wherein the composition is free of further adhesion promoters and surfactants.
