Having evolved from a simple dust-like “shake” called kief or hash, marijuana concentrates now come in a variety of forms including shatter, live resin, and rosin.

Kief Marijuana Extract how to make rosin history

Marijuana rosin in particular is gaining increasing popularity as marijuana enthusiasts learn about the potential health benefits of smoking rosin.

Thanks to it’s incredible flavor, lack of chemical solvents during extraction and ability to be made at home with nothing more than a hair iron, marijuana rosin has become a popular method of medicating for the cannabis connoisseur.

But what is this magical extract? And where did it come from?

Continue on to learn all about the history of marijuana rosin.

What Is Rosin?

Rosin marijuana-extract is made up of the sticky, mushroom-shaped glands that contain both terpenes and cannabinoids. Though rosin has always lived within the cannabis plant, its extraction process – known as “Rosin Tech” – did not exist until only a few years ago. So how did solvent-based cannabis extracts lead us to full-melt rosin? Here’s a brief summary of how it all went down.

The History of Marijuana Rosin

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Early Solvent-Based Concentrates

Though cannabis tinctures have been used for centuries as a form of medicine, solvent-based concentrates have only been used since the 1950s. Originally used as a means of POW interrogations, cigarettes were often laced with THC “serum” or LSD and given to unsuspecting soldiers in WWII to gain confidential information.

We don’t know about you, but that’s the type of human-rights-abuse we can really get behind!

Rising Popularity of Solvent-Based Concentrates

In the early 1970s, the first successful batch of THC oil was produced using alcohol and activated charcoal. The result was a sappy substance resembling dark honey. The process was shared with the public in 1977 in the book Marijuana Chemistry: Genetics Processing and Potency, though the open-loop system, which allows flammable alcohol to come into contact with a heat source, made the process extremely dangerous. To remedy this problem, the closed-loop system was introduced in the late 1980s.

Reinventing Solvent-less Extracts

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As the desire for medical marijuana grew, so too did the need for product safety. Medical patients who use cannabis therapeutically simply could not risk ingesting residual contaminants from improperly purged material.

Fortunately, a wonderful “accident” of sorts took place when Phil “Soilgrown” Salazar discovered that by pressing no-melt hash using a hair straightener – which he had been doing to flatten it out for easier dabbing – a waxy substance began to separate from the hash. When Salazar attempted to smoke the extract, as any enthusiast worth their salt would do, he found the material burned clean, tasted incredible and provided an exceptional high. Thanks to Soilgrown’s pioneering efforts, as well as his creation of  the first-ever rosin press, solvent-less rosin is now one of the most sought-after forms of cannabis extracts in the world.

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Today rosin is the leading way for the health-conscious marijuana enthusiasts to consume their cannabinoids. Whether purchasing from a dispensary or making rosin at home with a hair straightener, rosin tech is a great way to reap the therapeutic benefits of cannabis concentrates without putting yourself, or your neighborhood, in danger.

So the next time you dab some fresh rosin, make sure to give thanks to Soilgrown Salazar and good old fashioned dumb luck.


What about you? Have you tried making rosin at home? Let us know about your experiences in the comments below and you could win a free portable dab rig from our friends at Dab & Go!