Bring salon-worthy treatment to your bathroom with the K18 Prep and Repair at Home set. Treat your locks to the Leave-In Molecular Repair Mask, a formula boasting a unique sequence of amino acids that help rebuild broken bonds and restore elasticity. Its moisturising blend of ingredients helps unlock softer, smoother strands. Made to nourish your tresses while thoroughly removing build-up, the Peptide Prep Detox Shampoo uses salicylic acid and activated charcoal to wash away excess oils and dirt.