Rosin or the rosin technique (sometimes referred to as “rosin tech”) is a solventless extraction process of the cannabinoid rich resin from flower or kief using heat and pressure. Rosin can provide comparable levels of potency, yield and flavor as solvent-based extraction products such as BHO (butane hash oil). Rosin has become very popular with extract enthusiasts over the last couple years for a very simple reason: you can make it easily, cheaply and safely in your home.

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