No-heat curler: Create gorgeous curls with a heatless curling band. Overnight curls: Can be used overnight so you wake up to curls in the morning. Heatless curls: A gentle way to curl your hair for stunning results. How to use: Wrap wet, dry or slightly damp hair around the sponge ribbon, and secure with the hair ties. Four colours: Choose from brown, blue, pink or black. Ideal for: Getting beautiful curls without damaging your hair with heat.