The invention relates to the use of a sanitary product in piece form for use in the cistern of a toilet, which product comprises at least two different gel formers (1, 2) and fragrances, wherein one gel former (gel former 1) forms gels with hydrophobic liquids, which gels are insoluble or scarcely soluble in water, and the other gel former (gel former 2) is water-soluble or water-dispersible and wherein the product is transparent, gradually flushes away and releases fragrances, and gel formers 1 and 2 are in one phase.
