Goldwell StyleSign Styling Smoothing Serum Spray effortlessly transforms hair into a sleek, smooth style that lasts all day. It also helps the flat iron glide smoothly while shielding hair from frizz, humidity, and heat up to 230 °C/ 446 °F. Colour-safe Paraben-free Long-lasting Marine Bamboo Technology for heat and UV protection Shine: 3/3 Hold: 0/5 Who is it for? Those looking for weightless heat protection All hair types What does it do? Hold Factor 0 Heat protection Reduces frizz and fly-aways How do you use it? Use on dry hair Style as desired