The deodorant roller-ball system delivers aluminum stearate or whatever.
Because of its convenience is the ball principle any use for delivering some skin-penetrating substances also?
[Superficially searched.]-- rayfo, Jul 11 2001 Dimethyl sulfoxide (DMSO) http://www.dmso.org...nformation/muir.htmAnything dissolved in DMSO goes right through the skin. (Old yippy trick was to dissolve LSD in DMSO, and put it in squirtguns for use on the Pigs.) NB: take cure-all claims with a grain of salt. [rmutt, Jul 11 2001, last modified Oct 17 2004] My little brother had acne medication in a roll-on applicator when he was a pimply young fellow....-- globaltourniquet, Jul 11 2001 random, halfbakery