Olaplex No.0 is a professional-grade, intensive bond-building treatment formulated with patented Bond Building Technology. It acts as a primer to amplify the effects of Olaplex No.3 Hair Perfector. Designed to repair and strengthen damaged hair from within, it improves structure, resilience, and overall hair health. Ideal for all hair types and textures. . Please Note that product description, color, ingredients, package and other information maybe different from the original pack kindly check the product for more accurate details.