The link is http://www.makelifelovely.com/2013/01/6-uses-for-silica-gel-packets-dont.html
And it tells you 6 uses for the gel packets.
These little packets are used to keep our products moist free till they get to us, so makes sense we could re-use these for our own purposes, just be aware they could be hazardous so don't let children play with it and wash your hands after use to be safe.