Osis Flatliner Serum Spray

Flattening iron serum control level 3 for ultimate flat control. 200°C heat-proof ingredients. Long-lasting flat and shiny looking hair. Protects against humidity. Smooths and reduces frizz from curly and wavy hair.

On dry hair: spray over individual sections prior to using hot irons. On damp hair : spray evenly over whole hair prior to blow-drying then straighten the dry hair.

Professional hint: On slightly wavy / medium thick hair: dry or wet application. On curly / course hair: damp application. On very curly / course hair: damp application, followed by dry application.