Make Endless Changes to Plugin-Affected Photographs

If you want the ability to re-edit your image enhancements completed in the Nik Collection, Topaz Labs' or onOne Software's plugins (as well as others) it is important to follow a specific workflow.

You can export image files from your raw editor of choice (Lightroom, Camera Raw or Aperture for example) directly into a plugin but you will not be able to change your mind, go back and tweak the effects made earlier after you close out of those files.

This screencast shows how and explains why to follow a workflow I found allows me to return to my plugin-affected images and make the subtlest changes I have in mind or start anew with additional editable effects: