All right, here's the story.
Phosphatidylcholine is a natural product, and is used as a carrier for
transdermal
drug delivery. Short word for it is lecithin.
http://www.mpbio.com/product_info.php?cPath=491_5_32&products_id=102148
It is also being INJECTED for fat cell reduction, with its liposomal
properties.
http://www.femail.com.au/lipodissolve.htm
Some of you might want to do the necessary research to consider using
it as
a massage oil for a rather specialized practice.