Long before rosin became a major solventless category, the word already had a place in cannabis forum history. In February 2006, a forum post introduced cannabis rosin as a concept, not yet as a commercial category.
Before Cannabis: Rosin Was Already a Word
The word rosin existed long before cannabis extractors began using it. The original account traces its history through several traditional applications:
Violin bows
Pitcher's bags
Solder flux
In these settings, rosin referred to processed resin that had been heated into a sticky, workable form. The distinction between resin and rosin became important to the terminology that followed. Resin referred to the raw plant exudate, while rosin described resin that had been heat-processed. The original account argues that the language was already available. It simply needed someone to apply it to cannabis.
February 2006: compHASHon Introduces Cannabis Rosin
According to the original account, in February 2006 Chadwick Basstardo, posting under the name compHASHon, introduced the phrase "cannabis rosin" on ICMag. The original account describes the discussion as an obscure forum thread that introduced a new idea. The concept involved applying heat to a small amount of hash and collecting the sticky oil that emerged. The process was described as making solventless hash oil from the resin already present in the hash. Basstardo called the resulting material rosin. According to the original account, this was the first recorded cannabis use of the term.
The First Reactions: Amazement and Confusion
The initial responses showed how unfamiliar the idea was. Some users were immediately impressed. Others questioned why anyone would deliberately melt hash. One reaction captured the excitement: "that's not wasting hash…that's advancing!" The original account describes the early responses as split between people who saw the method as an innovation and others who did not understand it. The disagreement reflected the way cannabis extraction culture viewed its existing materials. For some participants, hash was already a finished product. The idea of heating it further to collect another form of concentrate was difficult to understand.
March 2006: "Melty Rosin Shots?"
By March 2006, the term was already circulating. The original account identifies a user named GreenMachine asking for photographs of the material. The request was: "melty rosin shots?" The exchange demonstrated that the word had become recognizable within the discussion. Users were beginning to use rosin as shorthand for the sticky oil that could be collected from hash through heat. The language was developing alongside the community's understanding of the process.
compHASHon Says Rosin Hits Harder Than Solvent Oil
Basstardo was not simply describing an interesting experiment. He also promoted the resulting product. According to the original account, he said his rosin: "kicks ass" and: "sends you farther than solvent oil." He argued that the result was powerful, clean and simple. The caption describes his vision as an early expression of the solventless philosophy that would later become a major part of cannabis extraction culture. The idea was that a desirable extract could be produced without relying on hydrocarbon solvents.
April 2006: A Report of Very Powerful Rosin
Another important response appeared in April 2006. A forum user reported: "your method is resulting in a very powerful rosin. it kept me going for hours." The user also described making the material from kief that had been saved since 2000. The original account highlights this exchange because it demonstrates that the discussion was moving beyond the original poster. Other users were experimenting with the concept and reporting their own results. The caption presents this as an early moment in the development of solventless culture.
The Resistance: Why Melt Hash?
Not everyone accepted the concept. Skeptical users questioned the purpose of heating finished hash. One response stated: "all you seem to be doing is melting hash…i don't get this at all." The original account compares this reaction with the skepticism that would return in 2015, when Soilgrown introduced rosin to a wider audience. In both periods, a new approach to producing solventless extract was met with questions about why anyone would change a finished product. The resistance illustrates how unfamiliar the idea was in 2006.
Why Rosin, Not Resin?
The original account explains the naming decision through the difference between resin and rosin. Resin refers to the raw material produced by the plant. Rosin refers to resin that has been processed through heat into a sticky, workable substance. Basstardo's terminology followed that distinction. The process he described involved heat, hash and the collection of sticky oil. Calling the result rosin connected the new cannabis application with an older word that already described heat-processed resin. The caption describes the choice as poetic because the name fit the material and the method.
2015: Soilgrown Reintroduces the Method
Nine years after the original forum discussion, Soilgrown, associated with Soilgrown Solventless 2.0, helped popularize rosin in 2015. The original account emphasizes that the modern resurgence did not create the terminology. The word rosin had already appeared in the ICMag discussion in 2006. Soilgrown's work helped bring the technique back into wider public attention, but the earlier forum posts had already established the name and concept.
The Difference Between Naming and Commercializing
The original account makes an important distinction about Basstardo's role. He did not commercialize the process or continue pushing it into a larger business. His contribution came through documenting the concept and introducing the vocabulary. That distinction separates the person who first used the term in the described cannabis context from later figures who popularized and commercialized rosin.
Legacy: The Word Was Already Written
Chadwick Basstardo's February 2006 ICMag post established an early piece of cannabis extraction history. Under the name compHASHon, he described collecting solventless oil from heated hash and called the material rosin. March discussions brought requests for photographs, while April responses included reports of powerful material made from saved kief. The idea attracted both enthusiasm and skepticism. Although Basstardo did not commercialize the method, his posts preserved the vocabulary and concept that would reappear in 2015. The original account's central point is that the name was already part of forum history before modern hash rosin became a major category.
YouTube Video
Sources
nuggnotes. "compHASHon: Chadwick Basstardo & the Birth of Hash 'Rosin'." Instagram, 15 Nov. 2025, https://www.instagram.com/p/DRFxIToEiuE/.
The original Instagram post behind this article.
"What Is Rosin and How to Make It." Weedmaps Learn, https://weedmaps.com/learn/dictionary/how-to-make-rosin.
Annotation: States flatly that "rosin was first introduced to the cannabis community through ICMag in 2006 by forum member Compashon" and that "it only gained notoriety in 2015 when Phil 'Soilgrown' Salazar started making it" — verifying the draft's two anchor claims (the 2006 ICMag introduction and Soilgrown's 2015 popularization) and its details of Salazar pressing hash against a hot nail, moving to a hair straightener, and switching to buds (flower rosin) when he ran out of hash. Note the username spelling used here: "Compashon."
"High History: Hashing Out the Origins of Rosin Tech." Beard Bros Pharms, 6 Sept. 2019, https://beardbrospharms.com/2019-9-6-high-history-hashing-out-the-origins-of-rosin-tech/.
Annotation: The fullest secondary account: in 2006 an ICMag user named "Comphashion" described extracting trichome-head compounds "without also pulling the waxy cuticle," using heated stainless steel spoons and bowls, and "is commonly credited with being the first to coin it ['rosin'] for cannabis concentrates"; in 2015 Phil "Soil Grown Sal" Salazar took the tech "to the next level," coined "Flower Rosin," and — matching the draft's naming-vs-commercializing distinction — "certainly did not 'invent' rosin."
Philips, Todde. "The History of Rosin." The Press Club, 7 Sept. 2025, https://thepressclub.co/blogs/tips-tricks/the-history-of-rosin.
Annotation: Corroborates the naming story at the heart of the draft: in 2006, IC-Mag member "Comphashon," working with a double boiler, noticed resin collecting in his equipment, and "the sticky, amber substance reminded him of violin bow rosin, so he adopted the name for his cannabis extract," using heated spoons and bowls thereafter; it also confirms the idea "never gained significant traction" until Phil "Soilgrown" Salazar's early-2015 hair-straightener work spread via Hash Church.
"Rosin Tech: The Complete Guide to Solventless Extraction." Ganjapreneur, https://ganjapreneur.com/vocab/rosin-tech/.
Annotation: Independently repeats both anchor events — ICMag, 2006, user "Comphashion," heated spoons and bowls, an idea that "never caught fire"; then early 2015, Phil "Soilgrown" Salazar pressing 3–4-star bubble hash with a hair straightener, dabbing the separated oil, squishing a nugget into "flower rosin," and spreading the technique online and through Hash Church — and confirms the term was adopted because the amber extract resembled the rosin used on violin bows.
"Rosin." Wikipedia, https://en.wikipedia.org/wiki/Colophonium.
Annotation: Verifies the draft's pre-cannabis word history on all three cited uses: rosin (colophony), the resinous material obtained from pine and other conifers, is rubbed on the hair of bows for bowed string instruments, is an ingredient in soldering fluxes (lead–tin solder carries 1–2% rosin by weight as a flux core), and is used by baseball pitchers and ten-pin bowlers, who "may use a small cloth bag of powdered rosin for better ball control."
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