http://en.wikipedia.org/wiki/Scotchgard http://en.wikipedia.org/wiki/Scotchgard This product was not made by amateurs and was on the market for about 30 years.

http://en.wikipedia.org/wiki/Scotchgard http://en.wikipedia.org/wiki/Scotchgard This product was not made by amateurs and was on the market for about 30 years. Its key component was perfluorooctanesulfonamide, a precursor to perfluorooctane sulfonate, which lingers in the human body for five and a half years and can cause developmental delays, cancer, immune disorders, and all kinds of other things. Amateurs can exercise due diligence and professionals can miss things.