Benefits Delicate and sensory cleansing. Enriched with Roucou oil full of beta-carotene and antioxidants. It strengthens hair and protects against the effects of aging and environmental damage. Detangling action. Strong and immediate cosmetic effect. Soft, shiny and full-bodied hair. Persistent perfume. ABOUT THE PRODUCT The ideal shampoo for all hair types, OI Shampoo is infused with nourishing, carotenoid-rich Roucou oil. Our hair softening shampoo has a milky-smooth texture, leaving hair satin-soft, shiny and hydrated - with a long lasting perfume and immediate cosmetic effect.