After that it burns a body formally away. It's painful when one is not used. Especially one should be careful with pants and tight shirts, as pressure sores full of sweat formally in the skin burning. It's definitely not something you should take advantage of the long term. This means that these are chemicals that are used as an external fat burner, which have alkaline components. So only during the diet and exclusively to sporting days.
Important: If it does not make too much burning in the shower, as it is still hot then, as I said - drug reacts to water! If it burns rather relax and avoid sweating. Alternatively also helps fat, but also in body lotion pay attention to the water content.
Long-term effect I do not know yet, but I know more Sobal I inform you; -}