BIO KERATIN HYDRATING SHAMPOO 33.8 OZ / 1000 ML KERATIN HYDRATING SHAMPOO - A daily shampoo, this Keratin-infused, sodium chloride and sulfate free formula gently cleanses without stripping the essential oils. It hydrates hair with Argan oil and replenishing nutrients. Hair is left healthy with increased manageability and shine. It also boosts moisture, builds resilience, reduces static and smoothes strands.