Hi Lena,
 
I saw your post on wanting to create a  Shea butter - DMSO creme.  Wouldn't 
DMSO take the shea butter to the blood stream and that DMSO also crosses blood 
brain barrier taking  the shea butter?  Did you want the shea butter in your 
blood stream and brain too?    This is just my two cents, from understanding 
that DMSO crosses blood brain barrier and takes anything to the blood stream.