What many people don't realize is that the crayons they used to color and draw with as children, and possibly still use to write with, are made using paraffin wax.  It is also used in some beauty and personal care products, and it has many other uses as well. 

5 minutes ago, drpaladin said:

Some forms are edible and most  have  eaten it in some form.

If I remember correctly, we used to get, or buy, tiny paraffin bottles with a colored liquid in them, about the same amount that could he held in an eye dropper, but the bottles were fun to chew on afterward.