The Matrix Design Pulse Iron In - Thermal Styling Mist is a lightweight spray that offers your locks protection against the damage that heat styling can cause, plus it also offers your looks long lasting hold. Fight unwantedfrizz and protect your locks with Matrix Design Pulse Iron In - Thermal Styling Mist . It will keep your style exactly where you want it all day long! Directions of use: Spray onto dry hair. Style as usual.