Schwarzkopf OSiS+ Dust It Mattifying Volume Powder 10g - Feel the difference. Perfect for the volume of root! Schwarzkopf Osis Dust It Mattifying Volume Powder is an innovative type of powder that can be directly applied to the hair or rubbed with your fingers. It offers lightweight texture and separation for a matte finish. Its wonderful formula is appropriate for all kinds of hair. Schwarzkopf Osis Dust It Matifying Volume Powder does not influence the natural hair motion and gives control of the natural light style.