The bristles of the Thermal reaction brush change color when it reaches the optimum temperature for styling, going from brown to red. Cortex Pro Thermal reaction are the ideal brushes for faster and more consistent drying and styling. Round brushes, resistant, with ergonomic handle, light and easy to handle.
Brush Sizes
Wooden Round Brush - Ultra Heat Bristles (30mm)
Wooden Round Brush - Ultra Heat Bristles (40mm)
Wooden Bristle Brush - Heating Color Indicator (25mm)
Wooden Bristle Brush - Heating Color Indicator (32mm)
Wooden Bristle Brush - Heating Color Indicator (42mm)