The pen itself is made of poly-whatever but the ink is "components including color pigments, solvents, resins, moisturizers, solubilizers, leveling agents, assistants, organic solvents, polyvinyl alcohol, acrylamide, heptylalcohol, triethanolamine, isothiazolinone, mill base, plasticizer, release agent, drying retardant, surfactant, benzene peptide type dye, acidic compounds, acetone, a thickening agent, preservatives, and essence" That's a lot of chemicals to alter your mind.. huffing experiment in shop class during lunch.
