BC KUR Deep Sleek, 150mL and 50mL An out-bath treatment that keeps hair smooth. - Brand: Schwarzkopf - Product Name: BC KUR Deep Sleek - Size: 150 mL - Quantity: One bottle Thank you for viewing. I am selling these because I switched to a different treatment and no longer use them. Both are new, unused, and unopened. There is some tearing on the outside due to storage.