Good Product or Nonsense?


http://store.acousticsounds.com/d/16871/Optrix-Optrix_CD_Spray-CD_Care
A friend loaned me his CD cleaner. I have a photo to upload but there seems no accommodation for this.
'OPTRIX" is the name. Label says it is a clarifier, cleanser for CDs and also stops "Skipping". Cures cancer?
Comments from those who have used this please?
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More flat earth science! No better than Windex for cleaning CDs! No effect upon sound quality!
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.
No idea if that product works, there are a lot of snake oil cleaning products.
But LAST offers a CD cleaner which is pretty popular. And they have a good track record with their vinyl preservative. 
https://thelastfactory.com/product/last-cd-dvd-cleaner-treatment/