Give your hair the ultra-protection of Schwarzkopf OSIS Flatliner Serum 200ml. The flatliner serum is made up of heatproof ingredients that can bear about 392°F (200°C) temperature. For best results, you are recommended to use it on dry hair before using hot iron.

Besides giving long lasting flat effect, it keeps your hair manageable and frizz free. Schwarzkopf OSIS Flatliner Serum is suitable for men and women.