Developed to encourage stronger-looking hair, the Clarifying Shampoo Bundle No.4C and No.8 by Olaplex features a purifying shampoo and nourishing moisture mask, both formulated with the brand’s Bond Building Technology™.Set Contents: No. 4C Bond Maintenance Clarifying Shampoo 250mlA weekly clarifying shampoo formulated with a broad-spectrum clarifying system to remove impurities, build-up and pollutants without stripping the hair.No.8 Bond Intense Moisture Mask 100mlAn intensive restorative treatment for dry hair, powered by the brand’s patented bond-building technology. The hydrating hair mask moisturises and nourishes hair exposed to chemicals, heat and mechanical damage, helping to protect against split ends and fly aways.