Thermo Neon D070 Neon Green Curling Brush . Denman Extra Small Hot Curl Brush Neon Green (16mm) is the ideal tool for faster blow-drying on short or cropped hair whilst adding illuminating shine and condition. It can be used to straighten or curl making it a versatile brush. The Neon colour will make this a stand out on your dressing table! The thermoceramic barrel retains heat and so blow-dries hair faster due to the heat being absorbed at a greater speed. The flexible bristles are also excellent for grip and control. Using the handle, brush through hair to achieve the desired style.