Good Product or Nonsense?

I used it on all my cds. There is an improvement. Careful with gold cds, there might be some haze left, does no damage as far as I can tell and they sound better too. Follow the directions precisely.

Walker Audio is another product. I haven't tried it, though.

Yeah, but I decided not to try it and got Optrix instead.

If Optrix does that those CDs are junk and not made properly. I treated various discs and they play as they did twenty years ago. Same cd player, by the way.

As I remember, Auric was quite popular among Audiogon members some time ago. I just never got there to try it because cds are not that important to me. I think, most or all who compared said that it was better than Optrics. Some preferred Walker, though, if memory serves.

Never tried it, but Walter Davies of LAST usually or always makes good stuff. But he is analog guy. So is Lloyd Walker.

If I wanted to do it the right way I would get, say, four copies of a well done cd and compared Optrix, LAST, Auric and Walker treatments. Yeah, maybe better not to use Optrix on valuable gold discs. I treated three gold cds with it but only two Mo-Fi ones gave me that haze, another one didn't. No idea why. 
I have a top loaded player and clean the lens with some Disc Doctor or whatever it is fluid that came with their cleaning disc. I rarely play the player these days, as I remember there was a small difference when cleaning every 50 hours or so. Maybe it was 100 hours, not sure.
I only compared Optrix treatment with washing the discs in warm water with kitchen soap. Yup, Optrix was better but soap and water was better than nothing.