Abstract: The invention relates to a dispenser bottle for a liquid aqueous washing composition which consists of at least two, preferably exactly two, part-compositions kept separate from one another. The dispenser bottle has a first receiving vessel (1) and at least one, preferably exactly one, second receiving vessel (2) and the first receiving vessel (1) contains a first part-composition and the second receiving vessel (2) a second part-composition. The two receiving vessels (1, 2) are either designed separately or connected to one another or designed together in one piece, The receiving vessels (1, 2) each have an outlet (3, 4) for the part-composition. The outlets (3, 4) are arranged adjacently to one another such that the two part-compositions can be applied in a common application field (5) of an application region. The first part-composition comprises water, hydrogen peroxide and surfactant and has an acidic pH and the second part-composition has an alkaline pH.