L'Oreal Paris SLEEK IT Iron Straight Hairspray, 3 Day Sleek 450 Protection, Get 3-day sleek style with L Oreal Paris AHS SLEEK IT Iron Straight Heatspray. This lightweight heat protectant spray is specially formulated to offer 450 degree heat protection for any heat tool. This anti-frizz spray blocks humidity to calm fly-aways and conditions for long lasting silky style.