Cannabis plants are covered by microscopic, mushroom-shaped, hair-like compounds called trichomes. These outgrowths surround the budding marijuana flower and produce the plant’s cannabinoids. Different varieties of trichomes can be collected. The resulting products—collectively called cannabis concentrates—can contain very high levels of tetrahydrocannabinol, commonly referred to as THC, the psychotropic ingredient in marijuana. These THC-rich marijuana products may be vaporized and inhaled using a vape pen or through a process called dabbing