How should I care for Elixir® Strings while they're on my guitar? Lubricants are not necessary or recommended. The POLYWEB® Coating and NANOWEB® Coating are chemically inert, so they will not be effected in any way by lubricants or cleaners. However, it is not necessary, or beneficial, to use a string lubricant or cleaner with Elixir® Strings. back to FAQ...