If there is one thing that has remained more or less constant throughout human history, it is that things have a tendency to change and that continues to be true at this current point in time. Herbal incense is no different. While historically herbal incense and the like used to be fairly simple since it pretty much only ever involved people bundling together dried herbs and smoking them so that they could enjoy their effects, suffice it to say that the newer kinds of incense that you might partake in would be thoroughly changed without a shadow of a doubt.
As a result of the fact that this is the case, you should consider educating yourself regarding legal high K2 spice paper so that you can obtain a clearer picture of what you are actually putting into the only body you are ever going to have. There is a new chemical that is being added to herbal incense, and it is called tetrahydrocannbinol or THC. The interesting thing to bear in mind about this chemical is that it is the exact same thing that is found in weed, but the fact that it is synthetically added to smoking herbs means that you can avoid some of the side effects that marijuana might send your way.
There are all kinds of chemicals that are put into the food that you eat and the drinks that you consume, and most of these chemicals are safer than we tend to give them credit for. You can try out herbal incense without having to concern yourself with how it might negatively impact you because it has been designed to be as safe as can be.