Discover ‘glass hair’ with the Joico K-Pak Color Therapy Luster Lock treatment. This shine-boosting formula provides double-action benefits, creating a glossy luster while working to repair the hair. Your hair will appear more vibrant with an illuminated finish, adding the finishing touch to any hair style. The nourishing formula provides deep repair action to help reduce damage caused by heat styling and colouring, promoting smoother, softer and more manageable tresses.The treatment can be used post or pre-shampoo to leave your hair not only looking, but feeling healthier. A Quadrabond Peptide Complex helps to repair and replenish damaged hair and reinforce the natural structure, while Silk, Soy, and Seaweed Extracts provide hydration and create ‘slip’ in order to prevent styling damage.