you can just extract spice with ethanol, however you'd be left with a very crude mixture. i have been wondering doing this, if jungle spice works so well why not just try ethanol, you'd end up with a lot more polar impurities but they might not make any difference. potential one step extraction. or dissolving the stuff in alcohol and maybe put that on your skin hehe. however that and limonene both dry out or irritate your skin.

however i don't know anything about how easily spice would cross your skin into your blood from an oily mixture. theres more efficient ways of getting it in there.

spice dissolves very well in alcohol and d-limonene.