I haven't searched it on the web recently {about 5 yrs ago I did}

There is a difference in the grades of DMSO- some is for veterinary use {livestock} and not as pure as the human grade.

If I remember correctly- whatever is on your skin will get absorbed along with the DMSO -lotion, dirt, whatever...

It stinks too!

I googled a list of info sites you can check it our more on the links-
http://www.google.com/search?hl=en&l...in&btnG=Search