Hawaiian Hash is a cannabis concentrate product composed of compressed . Or purified preparations of stalked resin glands, called trichomes, from the plant. It is defined by the 1961 UN Single Convention on Narcotic Drugs. (Schedule I and IV) as “the separated resin, whether crude or purified, obtained from the cannabis plant”.
The resin contains ingredients such as tetrahydrocannabinol (THC) and other cannabinoids—but often in higher concentrations . Than the unsifted or unprocessed cannabis flower. Purities of confiscated hashish in Europe (2011) range between 4-15%. Between 2000 and 2005 the percentage of hashish in cannabis end product seizures was at 18%.
Hashish may be solid or resinous depending on both preparation and room temperature; pressed hashish is usually solid. Whereas water-purified hashish—often called “bubble melt hash”. Or simply “bubble hash”—is often a paste-like substance with varying hardness and pliability; its color, most commonly light to dark brown, can vary from transparent to yellow, tan, black, or red. This all depends on the process and amount of leftover plant material (i.e. chlorophyl) 
Hashish, or hash, is a drug made from the resin of the cannabis plant. It is consumed by smoking a small piece, typically in a pipe, bong, vaporizer or joint, or via oral ingestion (after decarboxylation). As pure hashish will not burn if rolled alone in a joint.
As hashish is a derivative of cannabis, it has the same substance properties. When smoked, THC can be detected in plasma within seconds, with a half-life of 2 hours. resin reservoirs of the trichomes, sometimes erroneously called pollen .
(Vendors often use the euphemism “pollen catchers” to describe . Screened kief-grinders in order to skirt paraphernalia-selling laws). The sticky resins of the fresh flowering female cannabis plant . Between two hands and then forming the sticky, resins into a small ball of hashish called charas.
Mechanical separation methods use physical action , to remove the trichomes from the dried plant material, such as sieving . Through a screen by hand or in motorized tumblers. if pure, the kief will become gooey and pliable. When a high level of pure THC is present. The end product will be almost transparent . And will start to melt at the point of human contact.