Cannabis Vapes vs Flower: Understanding the Differences SiLLY NiCE THC Inhalers vs Vapes: Which is Better? EO Care What We Uncovered After Testing Colorado Vape Products for Hemp ProPublica Do you really know whats in your vape?, Some vapes contain drugs but you cant always tell from look, smell or taste, Vapes advertised as THC or cannabis may actually contain contaminants like Do you know what's in your THC vape? THC vapes are increasingly being shown by testing to contain synthetic substances with increased risk including unexpected effects due to differences in strength.