Does your dry hair crave a special treatment that nourishes it without weighing it down? Don't compromise: here's the L'Oréal Paris Elseve Extraordinary leave-in treatment for dry, unruly hair. Oil. It is rich in precious oils and lipids thanks to which they will provide your hair with exactly the nourishment it needs. At the same time tempo, It will provide them with the necessary protection against external agents and high temperatures during styling.