The "arousal gel" market is absolutely chock-a-block with bogus products, where the instructions in the package have more value than the actual product.

Of the eight different brands that several members of our team blind-tested, only the Kama Sutra Intensify Plus delivered any noticeable effect. Both formulations contain menthol, which produces a tingling sensation. The Warming formula contains cinnamon, and it actually does warm the skin, and the Cooling contains mint, which is, well, minty.