: Some products marketed as "herbal" may actually contain sawdust or toxic fragrance oils similar to those used in industrial fireworks.
: Users have reported severe reactions, including seizures, psychosis, heart palpitations, and even death.
Purchasing "Head Trip" or similar "spice" products (synthetic cannabinoids) online is highly dangerous due to their extreme health risks and frequently changing legal status. While "Spice" was originally a specific brand name, it now refers to a wide range of unpredictable laboratory-made chemicals. The Danger of Synthetic Cannabinoids
Synthetic cannabinoids, often marketed as "herbal incense" or "liquid incense," are NOT natural or safe alternatives to marijuana.
: Many of the active chemicals in spice are classified as Schedule I controlled substances. Manufacturers constantly tweak the chemical formulas to bypass laws, but law enforcement often uses broad "analogue" laws to prosecute buyers and sellers.