Frizzy Hair? Tame your frizz and stretch it out to make your hair look longer and sleeker for up to 72H of straight hair with no frizz. L’Oréal Paris Elvive Dream Long Straight FRIZZ KILLER SERUM is designed for long, FRIZZY HAIR, enriched with Vegetal Keratin + Cocoa Butter. A lightweight SERUM with up to 230°C heat protection, all day anti-frizz and that slays static. Stretch out your frizz to GAIN +4 CM!