This lightweight spray protects your hair from flat irons and curling irons up to 450 degrees while adding shine and reducing frizz. Its clean, lightweight formula won't leave your hair stiff or sticky. - Lightweight thermal spray protects hair from heat up to 450ºF/232°C - Boosts shine - Adds clean-feeling, touchable hold - With Heat Restyling Technology so you can apply once and restyle endlessly - Ideal for use with flat-irons and curling irons. Boasting a lightweight formula, the Redken Hair Styling Thermal Spray Heat Protector will protect your hair from the damaging effects of heat styling, without making your hair feel stiff or crunchy. Suitable for all hair types, it will also help to lock in your style so your hair stays looking flawless around the clock.