Keep your hair effortlessly sleek with the Schwarzkopf Professional OSiS+ Glow Anti-Frizz Shine Serum For Frizz Reduction And Shine (50ml). Enriched with shea butter, this frizz-control hair serum nourishes and revives the hair while providing a smooth, sleek finish. It is a silicone-free hair serum that protects the hair from humidity and increases manageability. This Schwarzkopf Professional hair serum boasts a lightweight formula for a radiant shine that lasts.