Proper BHO is the purest, most potent you will find anywhere. Our unique extraction process utilizes the finest cannabis and the purest butane available. Each and every run is refined for 100 hours with our proprietary purging process that eliminates mystery oils and hydrocarbons. The result is a premium product where all that is left is great flavor and a long lasting effect. If BHO is the medicine you’re looking for then Proper is your lifestyle.