Want to protect your hair from heat styling? Thermal Spray from Redken protects your hair from heat, adds shine and reduces frizz. This thermal spray protects the hair from heat styling tools up to 450ºF/230°C, while adding shine and humidity protection. Formulated with Heat Re-styling Technology that protects the hair after just one use, so you can re-style between washes. The lightweight formula is great for fine hair.