The Dreamlengths Sleek Serum from L'Oréal Paris tames frizz and static hair. The serum with vegetable keratin and cocoa butter improves and stretches the hair lengths and offers heat protection up to 230 ° C during blow-drying or straightening. And it is silicone and alcohol free. How do you use the L'Oréal Paris Elvive Dream Lengths Sleek serum? Anti-pilling? Apply to dry hair to make it less static and frizzy. Super straight hair? Apply 1 to 2 pumps of the serum to damp hair before blow-drying and use a straightener once the hair is dry.