What it is A weightless rinse-off shine treatment that instantly delivers a glass-like finish—up to 6× shinier, 3.5× silkier hair (instrumental tests). Formulated with antioxidant-rich Roucou oil, alpha-hydroxy acids, and Cardoon oil, it enhances gloss, softness, and manageability on all hair types. Hair Type Suitable for all hair types—fine, thick, color-treated, curly, or frizz-prone. Hair Concerns Dullness, lack of shine, frizz, dryness, and rough texture. Key Benefits Delivers instant mirror-like shine* Leaves hair silkier and extremely soft Lightweight and rinse-off—no residue or heaviness Improves manageability and eases detangling Made with 95% biodegradable ingredients and eco-conscious packaging Fragrance Description Features Davines’ signature OI scent: warm amber with light floral and spicy undertones. Ingredients Key actives: Roucou oil (antioxidant and shine-enhancing), alpha-hydroxy acids (to smooth and seal cuticles), Cardoon oil (lightweight gloss). Note: Ingredients may change—always check packaging. How To Use After shampooing, towel-dry hair. Apply 1 dose (20 mL) for short hair or 2 doses (40 mL) for long hair to mid-lengths and ends. Comb through and rinse thoroughly. Optional: follow with OI Conditioner for extra hydration. Use as a weekly—or post-shampoo—treatment for ongoing shine. Eco Highlights 95% of ingredients are biodegradable. Bottles are made from post-consumer recycled plastic, fully recyclable, and produced using renewable energy with offset CO₂ emissions.