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Rosin: What is It, How It’s Made, and How to Consume

By Danyal Swan November 2, 2023

When delving into the ever-expansive world of cannabis options, you’re greeted with a plethora of products, ranging from lush, frosty buds to vaporizers and gleaming extracts. Amidst this diversity, the vast types of cannabis concentrates stand out as potent and cherished delicacies, savored in modest quantities through dab rigs, vape pens, and infusion with flowers.

Among the array of concentrates, there exists a unique gem that boasts the distinction of being free from chemical solvents: rosin.

What Exactly is Rosin?

Rosin is a solventless marijuana concentrate. The term "solventless" holds a special place in the cannabis world, signifying a concentrate devoid of butane or alcohol. Whenever you see the word "solventless," think rosin. Depending on the method of extraction – more on that later – rosin can manifest in hues ranging from a creamy tan to a deep tan with subtle hints of green.

Now, you may wonder, if there are no solvents involved in isolating cannabinoids and terpenes, how is rosin crafted?

How Do You Make Hash Rosin?

How Do You Make Hash Rosin?

Rosin stands apart in the realm of cannabis concentrates due to its solventless nature, created through the simple alchemy of heat and pressure.

To conjure rosin, trichomes, those minuscule structures responsible for the frosted appearance of cannabis buds and the guardians of cannabinoids and terpenes, are harvested from the cannabis plant. Various methods exist for collecting these cannabis trichomes, but regardless of the technique employed, trichomes are subjected to the press of heated mechanical plates, coaxing forth precious oils. The extracted cannabis oil transforms into a sticky extract, which can then be shaped into various forms.

Explore the Types of Hash Rosin

In the universe of rosin, three distinct types await discovery, all of which originate from the press of cannabis material between highly pressurized, heated plates. The choice of cannabis material used results in subtle differences in the final product.

The three types of rosin methods are flower rosin, dry sift rosin, and hash rosin.

What is Flower Rosin?

With flower rosin, trichomes are not isolated; instead, whole cannabis buds, either dried and cured or freshly harvested, are pressed between heated plates to extract cannabis oil directly from the plant matter. This form of rosin tends to exhibit a deeper hue, owing to the presence of the colorful flower leaves.

What is Dry Sift Rosin?

Dry sift, often known as cannabis kief, emerges when trichomes are separated from cannabis buds. This prized powder can be found at the bottom of a three-piece grinder. In the creation of rosin, dried and cured cannabis flower is sifted through mesh screens of decreasing size, isolating only the coveted trichome heads while minimizing the inclusion of plant material. The resulting dry sift is then pressed between heated plates, yielding an exceptionally potent and pure cannabis rosin, albeit one that may possess a deeper hue due to trace amounts of plant matter.

What is Hash Rosin?

What is Hash Rosin?

Hash rosin is the offspring of concentrated ice water hash, crafted via the process of ice water extraction. In this method, water, ice, and gentle agitation collaborate to liberate trichomes from cannabis flowers, greatly limiting the inclusion of leaves. The resulting sticky hash slurry is refined through a series of mesh screens, gradually decreasing in size, before being dried.

To create hash rosin, this ice water hash, also known as bubble hash, is subjected to heated plates to express the desired oils. The result is a creamy tan-hued hash rosin.

Live Hash Rosin vs. Hash Rosin: Discerning the Difference

In the marijuana world, "solventless" is a buzzword, as is "live cannabis."

Live cannabis entails the flash-freezing of freshly harvested flower, preserving the plant's living terpene profile. This rapid freezing combats the natural dissipation of cannabinoids and terpenes that occurs during the drying and curing process. Live hash rosin is fashioned from live cannabis flower, delivering an exceptionally flavorful and potent extract.

Hash rosin, conversely, is created using dried and cured flower, offering a concentrate that is both potent and flavorful, albeit to a slightly lesser degree than its live counterpart.

How Do You Smoke Hash Rosin

Now that we've unveiled the wonders of this solventless concentrate, let's explore how to savor the delights of rosin through smoking or vaporizing.

Smoking Rosin in a Bowl or Bong

To indulge in rosin via smoking, no special tools or equipment are necessary, provided you have some cannabis flower on hand. Load your bowl with a layer of flower, followed by a sprinkle of rosin. Add more flower on top and repeat the process if a particularly potent dose is desired.

Alternatively, start with just flower, mix it with rosin, add another layer of flower on top, ensuring that the concentrate is sandwiched between layers of flower. This layering technique guarantees that the delectable extract is not prematurely incinerated before inhalation.

Infusing a Joint with Rosin or Live Rosin

Infusing a joint with rosin or live rosin follows a similar principle. Begin and end your joint with pure flower, while interspersing the rosin in the middle. Crumble the rosin into small chunks, mixing it evenly with more flower for an even burn.

Dabbing Rosin in a Dab Rig or Dab Pen

For those who prefer vaping, rosin can be dabbed in a dab rig by placing a small ball of the concentrate onto the super-heated nail of the rig. The rosin will vaporize instantly, allowing you to inhale the vapor through the rig's mouthpiece, providing a pure and flavorful experience. If dab rigs seem too intense, the same method can be applied with dab pens, offering a convenient and portable option for enjoying your desired dab.

For the simplest vaping experience, live rosin vapes are a rare but exciting addition to the world of solventless concentrates. Live rosin oil is loaded into cartridges, providing the most flavorful and true-to-flower vaping experience.

Best Temperature for Smoking Hash Rosin

Given the rich concentration of terpenes in hash rosin, the ideal temperature for dabbing this concentrate is around 500°F. This temperature allows you to fully savor the flavor of the concentrate, ensuring a memorable experience with each dab.

Effects and Potency of Hash Rosin

Hash rosin, being a collection of trichomes, boasts remarkable potency. These trichomes house the terpenes responsible for strain-specific effects, resulting in an amplified representation of the extracted strain. As rosin is either dabbed or smoked, expect immediate effects that persist for 2-4 hours.

Where Can I Find Hash Rosin Near Me?

Find Hash Rosin at Zen Leaf

Rosin has garnered immense popularity as a cannabis concentrate for its potency and user-friendly nature, particularly among those seeking solventless products. Find a Zen Leaf near you to explore a diverse selection of live rosin coins, badder, and even vapes. Dive into the world of your favorite cannabis strains in a flavorful and potent format that's sure to become a personal favorite.


  1. Lowtemp Industries. (2022, Dec 6). Introduction to Solventless Hash Rosin. Lowtemp Industries.https://www.lowtemp-plates.com/blogs/knowledge/botanichemist

Digital Content Manager for MÜV Florida and Zen Leaf Dispensaries. A cannabis connoisseur with a passion for explaining the miraculous possibility of the plant, Swan began her journey with cannabis as a recreational user and quickly realized its positive impact on her depression and severe anxiety. She joined the cannabis industry as Receptionist and MedTender and witnessed first-hand the immense potential of the plant for a wide variety of ailments, deepening her passion for alternative medicine. Swan is dedicated to self-education on the plant and sharing its potential with all. She holds a Journalism degree from the University of Iowa.

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