Hi Tanya, thanks for reaching out. The finish is called Steel Optic however it is very close to a Stainless Steel. Our finishes go through a process called Physical Vapor Deposition (PVD), which is a process for creating special finishes with superior durability. For our full cleaning instructions, please check them out here: http://www.hansgrohe-usa.com/1199.htm. For more questions, please feel free to reach out to our Customer Service at 1-800-334-0455. Thanks!