L'Oreal Paris Advanced Hairstyle SLEEK IT Iron Straight Heat Spray provides professional-grade heat protection up to 450°F, preserving hair health during styling. Its lightweight formula shields hair from heat damage while controlling frizz and humidity, ensuring a smooth, sleek finish that lasts up to three days. Suitable for use on damp or dry hair, this spray conditions strands and tames fly-aways, delivering a polished look with expert ease.