BRIGHTER, LONGER-LASTING BLONDE. Breakthrough triple-action purple shampoo removes metals + minerals, neutralises existing + defends against future brassiness. WHAT IT DOES 1 wash removes up to 3 months of brass from hard water * Neutralises brassiness without staining or overtoning Ideal hair tone is restored and evened * Easy-to-apply foam * k18hairpro.com/disclaimers WHY IT WORKS Removes brass-inducing metals and minerals with ionic detox Neutralises brassiness with precision violet technology that won’t stain or overtone Defends against future brass with a biopolymer to help prevent reattachment of metals + minerals during washing