Your gel does not contain an active ingredient that causes arousal.
The antifreeze agent propylene glycol will be perceived as an increase in body temperature, where-ever applied, which is supposed to turn one on.
Most of the ingredients are about the aggregate state and lubricity of the gel. Any drugs that enhance sexual performances (thanks @...
That product is marketed boldly as "Special formula designed to bring sensual waves of warming, cooling or tingling sensations. Increases sensitivity of her intimate areas for more intense pleasure. Up to 20 earth-shattering orgasms in 1 bottle." So it is intended to enhance not cause arousal.
That still sounds quite a bit like an overstatement. Looking ...
Maca <--- Really healthy in general also.
Horny Goat's Weed <--- Haven't tried it myself.
I think generally you're looking for herb-aphrodisiacs. Try a google search and I'm sure you'll find lots of resources.
That said, improving nutrition in general is key to most health-issues I believe. Avoid refined carbs (sugars), eat more fiber, if you live ...