Some of the bigger companies provide mass spec results on their batches for transparency and to show the purity of their ingredients. Yes, steeping increases flavor, but what is the actual science behind it other than some of the ingredients are evaporating and it is assumed others are oxidizing? Has anyone done a mass spec pre and post steep to show what is actually happening. Do you lose any nicotine? Which evaporates quicker PG or VG? Are there any chemical reactions happening that would make the vape less healthy, or more healthy? Etc, etc.