What it is: Schwarzkopf Osis+ Flexwax Texture – ultra strong cream wax is an ultra strong texture and separation control cream wax. This non greasy application allows for a natural non greasy shine finish. What it does: Continuously re-mouldable formulation for unlimited style possibilities. Natural, non greasy shine finish. Instantly washes out. What else you need to know: Flexwax Ultra Strong Cream Wax has an OSiS Control Level of 4 for strong control.