Thanks for the response guys.
Unfortunately, it needed to have a quick fix (can’t post the video as it was someone pretty high up and done in confidentiality) so I had to make it less bad so to speak.
Lucky for me the glare didn’t move. The bad part was that since it was an interview video, the glare looke like a white spot on his forehead, and since he does turn his head a bit covers his hair.
So I masked the spot just below that white mar in After Effects, though I guess you can do in FCP too, and covered the spot, blurred and put some filter to slightly blur the image under the pretex of making the image “warm” : )
Not the best solution, but hey, it worked. Client’s happy with it, so far anyways.