The Helios Diffuser 2.0 is designed to gently dry curly and wavy hair while preserving its natural shape. Its prongs help distribute airflow evenly to reduce frizz, support curl definition and add controlled volume at the roots. Made to fit the GHD Helios hair dryer Gentle drying for curls and waves Helps reduce frizz and enhance definition HOW TO USE Attach the diffuser to your Helios dryer. Use medium heat and low speed. Place sections of hair into the diffuser and lift towards the roots, drying without over-manipulating the curls to maintain their shape.