Been using this stuff for a couple years.  Works great for me. I use it different than the instruction.  Find a flat surface, lay a bundle of tissue on it, place the disk scratched face up.  Place a couple drops of #1 abrasive on the disk and immediately start wiping with some pressure radially outward (you don't have to wait 5 minutes).  Keep working your way around the disk until the solution is dry (about 5 minutes).  Spray once with #2, and using a clean TISSUE, continue wiping VERY GENTLY radially outward until #2 dries.  Try the disk.  If it doesn't work, repeat all the above until it does.  This really does work, but it can take some elbow grease and repeated tries depending on the severity of the scratches.  I've had a LOT of scratched disks, and I haven't found one yet that I couldn't fix with this.