The substances are packaged and sold with deceptive labels, which include “not for human use” (to bypass FDA regulation) or “herbal blends” to suggest a harmless leisure, but legal material. Also they are promoted and bought over the internet as “natural” and “Protected” substances.five YP - The Real Yellow PagesSM https://friendlybookmark.com/story18298285/5-easy-facts-about-herbal-incense-legal-high-described