Kérastase Nutritive Serum Oleo-Relax is one of Kérastase’s leading styling oils. It is an ideal serum for wild, frizzy or untamed hair. Applied to towel-dried hair, particularly around the mid-lengths & hair ends, Kérastase Nutritive Serum Oleo-Relax relaxes your hair, leaving it more manageable & easier to style. The styling oil detangles your hair, reduces frizzing effect, replenishes its soft, shiny texture & helps to smooth its volume. The serum is made with shorea & palm oils, cationic polymer & silicone derivatives. Used regularly, it starts to build up your hair’s anti-frizzing quality & natural smoothness. It means that you can style your hair as you like it best.