Albert, thank you for your thoughtful and helpful response.
Actually my minimal input was to enter the name of a company already well publicised elsewhere on this noticeboard into my search engine, and guess what? I found their catalogue!
Perhaps I'm a little old-fashioned but sites like this seem to me no nore desireable than kiddie-porn, and if it remains hidden it will never be exposed and stopped. Geddit?
Special ingredients, yerssss, hmmmmm!