Here's a very unflattering "review" of this and similar products:
http://www.realhd-audio.com/?p=2342
And a more flattering one:
http://singaporehifi.blogspot.com/2014/05/essence-of-music-two-step-cd-cleaner.html
And Geoff Kait's review:
http://www.stereophile.com/content/essence-music-cd-treatment
I have used Auric Illuminator in the past and do not detect any enhancement or improvement. But, if others do, that's fine.
http://www.realhd-audio.com/?p=2342
And a more flattering one:
http://singaporehifi.blogspot.com/2014/05/essence-of-music-two-step-cd-cleaner.html
And Geoff Kait's review:
http://www.stereophile.com/content/essence-music-cd-treatment
I have used Auric Illuminator in the past and do not detect any enhancement or improvement. But, if others do, that's fine.