Cannabis concentrate

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Product labeled "full extract cannabis oil"
Extract in a lip-balm sized container

A cannabis concentrate (also called marijuana concentrate, extract, shatter, wax, butane hash oil or butane honey oil (BHO), live resin, budder, and taffy[1][2]) is a highly potent tetrahydrocannabinol (THC) concentrated mass that is most similar in appearance to either honey or butter, which is why it is referred to or known as "honey oil" or "budder". Marijuana concentrates contain extraordinarily high THC levels that could once range from 40 to 80%, up to four times stronger in THC content than high grade or top shelf marijuana, which normally measures around 20% THC levels. By 2017, distilled concentrate was reportedly available at 99.58% THC content.[3]

Volatile solvents such as butane, propane and hexane are often used to prepare extracts, leading to fire and explosion hazard in uncontrolled environments.[1][4][5] Supercritical fluid extraction using carbon dioxide alleviates concerns of fire and explosion and results in a high quality product.[6]

Legally produced concentrates for retail sale in legalized states are often packaged in small lip-balm sized containers.[5]

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 This article incorporates public domain material from the Department of Justice Drug Enforcement Agency document "What You Should Know About Marijuana Concentrates (Also Known as THC Extractions)".