Experience silky-soft strands with the Dyson Chitosan™ Pre-Style Cream Refill, a protective formula designed for straight and wavy hair types that nourishes, smooths and protects lengths during heat styling. Created with a lightweight texture, the formula features a hydrating cocktail of grapeseed and argan oils to quench the thirst of dry strands. The antioxidant-rich blend also defends hair against flyaways and coarseness for smooth styling. Unique, patented Chitosan™, an oyster mushroom-derived active, supports the feeling of flexibility and hold without any crunch.