The Redken Acidic Bonding Concentrate Shampoo is an expert, restorative cleanser specifically formulated to strengthen weakened bonds and intensely condition damaged, demanding, and processed hair. Infused with a concentrated bonding care complex and citric acid, this luxurious shampoo creates an ultra-rich lather, working to pH-balance and protect hair against the negative impact of colouring and styling, leaving it smoother, shinier, and more resilient. Simply apply to wet hair, lather, and rinse thoroughly to gently cleanse and leave locks feeling more manageable from root to tip