Kief (pronounced [keːf, ki(ː)f, kɪf]; from Arabic كيف (kayf), meaning ‘pleasure’), sometimes transliterated as keef or kif, also known as cannabis crystals among other names, refers to the resinous trichomes of cannabis that may accumulate in containers or be sifted from loose, dry cannabis infructescences with a mesh screen or sieve.

You can buy kief online Canada and sprinkle it in a joint to turn ditch weed into knock-out or smoke a bowl of it. But beware, kief contains a much higher concentration of psychoactive cannabinoids, than that of the cannabis infructescences from which it is derived. Due to the fact that it contains a higher level of THC many consumers choose to add collected kief to their marijuana for a more intense high.