Davines OI Hair Butter is an ultra-nourishing treatment designed to deeply hydrate, soften, and restore shine to even the driest hair. Enriched with antioxidant-rich roucou oil, this luxurious butter smooths frizz, improves elasticity, and leaves hair incredibly silky and manageable without heaviness. Use as a conditioning treatment or intensive mask for hair that feels healthy, polished, and indulgently soft.