Clings to remove clogs fast. Compare to Drano (Drano is a registered trademark of S.C. Johnson & Son, Inc. This product is not manufactured or made under the authorization of S C. Johnson & Son, Inc). Safe on Metal and plastic pipes. Contains no phosphorus. www.essentialeveryday.com. For more ingredient information visit www.essentialeveryday.com or cal 11-855-423-2630. Product of USA.