Caffeinated

He's drinking a caffeinated soda.

I try not to drink caffeinated drinks very often.

Don't drink caffeinated drinks.

But to address the question in theoretical terms, it turns out that yes, caffeinated soap might perk you up, but it would depend on how long you stayed in the shower, and how long you spent rubbing the soap against your skin.

For most of us, to be caffeinated to one degree or another has simply become baseline human consciousness.