Agents and methods for lightening keratinic fibres are provided herein. In an embodiment, agents for lightening keratinic fibres include at least two separately packaged preparations (A) and (B) as well as an optional further preparation (C) which is packaged separately from preparations (A) and (B). Preparations (A), (B), and, when present, preparation (C) are mixed immediately prior to use in order to form a mixture for application. Preparation (A) includes at least one persulphate and at least two chelating agents. Preparation (B) is free-flowing and includes at least one oxidizing agent.
