Quote Originally Posted by ovidiucotiga View Post
but i can't see how our own skin that has realy lower content of silicatesand the colagen fibers are not exposed due to the fact that we are not taned )..
Spend some time in my shop. You'll end up with plenty of silicates embedded in your skin. Also aluminum oxide, a little bit of diamond, some crox, WD40, Ballistol... Really, the whole package!