Board Thread:Naruto Discussions/@comment-24531362-20140831150337/@comment-17623-20140903221003

And because he regained control, there is no way to actual prove that if he did lose control he would have turned into Kaguya. Not that this has anything to do with the topic at hand.

Until then such a time it is actually stated no, she did not use Six Paths Sage Technique.