Neutralise yellow, brassy hair tones with the Revolution Haircare Blonde Plex 4 Bond Plex Shampoo. A colour maintaining formula powered with Blond Plex to help support chemically treated hair. Keep hair cool and bright with the purple formula designed to banish unwanted warm tones. Featuring an innovative blend of plant proteins to fortify hair fibres, the treatment shampoo works to create overall softer, smoother hair. Hair looks visibly brighter and feels stronger, helping to prolong your blonde.