Thirdhand smoke is a toxic residue that sticks to surfaces and objects. People come into contact with thirdhand smoke when their skin touches a surface where thirdhand smoke has collected, when they breathe in thirdhand smoke chemicals that are in the air, and when they swallow residue that are on objects that they put in their mouths. The sticky particles of thirdhand smoke attach themselves to anything they encounter, including clothing, toys, furniture, counters, jewelry, and more.
On this page, you will find scientific information and first-hand accounts about how to prevent and properly clean away thirdhand smoke on day-to-day objects. We also provide communication strategies for talking with others about the dangers of thirdhand smoke.