Hash rosin is a cannabis concentrate that is made through a combination of solventless extraction methods. It’s a popular and relatively pure form of cannabis extract, known for its potency and terpene retention.
Here’s how hash rosin is typically produced:
Harvesting: High-quality cannabis flowers or trim are first selected for extraction. The quality of the starting material plays a significant role in the final product.
Hashing: The cannabis material is processed to create hash, which is essentially a concentrated form of cannabis trichomes (the resin glands containing cannabinoids and terpenes). This can be done through methods like dry sifting, ice water extraction (bubble hash), or mechanical separation using screens or grinders.
Pressing: The collected hash is then subjected to heat and pressure, often using a hydraulic press or a specialized rosin press. This process, known as rosin pressing, uses low heat and high pressure to squeeze the trichomes out of the hash material, without the need for solvents.
Collection: The rosin that oozes out from the pressing process is collected and cooled. This results in a sticky, translucent substance that is rich in cannabinoids and terpenes.
Hash rosin is highly regarded in the cannabis community for several reasons:
Solventless: It’s made without the use of any solvents, so there’s no risk of solvent residue in the final product.
Terpene Retention: The low-temperature, solventless extraction process helps preserve the natural terpene profile of the cannabis, enhancing the flavor and aroma of the rosin.
Potency: Hash rosin is typically very potent, with high concentrations of cannabinoids.
Consumers often use hash rosin for dabbing, where a small amount is heated and vaporized using a dab rig. It can also be used to enhance the potency and flavor of cannabis flower by adding a small amount to a joint or bowl.