Cancellite is a chemical created by Supergirl that cancels Durlans shape-changing powers. The Legion of Super-Heroes obtained it from her and use it in spray form. History This article is a stub. You can help DC Database by expanding it. See Also Appearances of Cancellite Item Gallery: Cancellite Images featuring Cancellite Links and References None. Retrieved from "https://dc.fandom.com/wiki/Cancellite?oldid=2585656" Categories: 1964 Item Debuts Silver-Age Items Items Pre-Zero Hour History Section Needed Materials Community content is available under CC-BY-SA unless otherwise noted.