Introducing the PEPTIDE PREP™ Detox Shampoo: This detoxing shampoo is non-stripping, colour-safe, and pH-optimized. It works to unclog hair follicles whilst removing dirt, oils, common metals like nickel, cadmium, lead, zinc, and iron from hard and tap water, as well as leftover heavy product build-up. PEPTIDE PREP™ Detox Shampoo perfectly preps your hair for maximum K18 Molecular Repair Leave-in Treatment results. Key Features: Colour-Safe Non-Sensitizing Dermatologist tested pH 3.8-4.2 which helps maintain colour and doesn't dry out the hair.