Weightless rinse out treatment for all hair types. Thanks to the innovative clear liquid texture, hydrating agents come directly into contact with the hair fibre, for an instant illuminating effect and a smooth finish. Hair is instantly ultra shiny, silky and super soft, leaving a radiant glass-like finish. Additional Info 95% biodegradable ingredients. Packaging made of post-consumer recycled plastic. All the packaging materials are fully recyclable. The carbon dioxide emissions generated by the production of the packaging are offset. After shampooing, squeeze out excess water from hair. Section hair and apply directly to lengths, fully saturating from mid-lengths to ends. Comb through. Use 1 dose (20ml) for medium length hair and 2 doses (40ml) for long hair. Rinse out. Follow with OI Conditioner for extra hydration if you you have coarser hair type.