you can take it orally or transdermally. It's more potent (overall) orally but it's also systemwide--it's weaker transdermally but it's also local so probably in the long run it's more potently lipolytic on the application spot.
CAP = capsaicin, a chili-pepper alkaloid and vanilloid receptor 1 (VR1) agonist.
It's available in a lot of OTC arthritis creams. You apply it before applying --the combination causes adipocyte insulin resistance.