Rosin is a cannabis extract that is created by applying heat and pressure to the flower in order to withdraw resinous sap.Rosin is a solventless concentrate that’s made by heating and compressing the flowers, kief or hash from the cannabis plant. Relatively simple to make at home, requiring only some parchment paper and a hair straightener, this high potency
concentrate is becoming popular because of the distinct lack of additives like butane or alcohol.Not to be confused with resin, rosin is a cannabis extract made by subjecting weed to intense heat and pressure. The result is a sticky, wax-like substance that’s good for dabbing.