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Solventless Rosin Explained: How It's Made and How to Shop for It in New Buffalo
Solventless rosin is a cannabis concentrate made without chemical solvents. Instead of a solvent, it uses heat and pressure (rosin) or ice water and agitation (the starting point for ice water hash). If you see "solventless" on a label at Trap Stars in New Buffalo, that is the method it refers to.
This guide explains how rosin is made, how it differs from resin and live resin, how to read a menu listing, and what to ask at the counter. It is for adults 21 and older.
What does "solventless" mean?
"Solventless" describes how a concentrate is made, not what is in it. Many concentrates are extracted with a chemical solvent that is later purged. Solventless products skip that step. They are made using only physical methods such as heat, pressure, cold water and filtering.
How is rosin made?
Rosin is made by pressing plant material between heated plates. The pressure and gentle heat squeeze out a sticky oil, which is collected on parchment paper.
- Start with the input. Producers press flower, or they press ice water hash (sometimes called bubble hash).
- Press. The input goes in a filter bag between heated plates and the press applies pressure.
- Collect. The oil that comes out is gathered and then stored cold so it holds its texture.
You will often see rosin called "flower rosin" when it comes from pressed flower and "hash rosin" when it comes from pressed ice water hash.
What is ice water hash?
Ice water hash, often called bubble hash, is the other solventless starting point. Plant material is washed in ice-cold water and gently agitated. The resin glands break away from the plant and are filtered through fine mesh screens. What collects on the screens is hash. It can be sold as hash, or it can be pressed into hash rosin.
Rosin vs resin vs live resin: what is the difference?
| Term | What it means | Made with solvents? |
|---|---|---|
| Rosin | Oil pressed from flower or hash using heat and pressure | No |
| Live rosin | Rosin made from fresh-frozen plant material, usually through ice water hash | No |
| Resin | The sticky substance on the plant itself, and a general name for extracts | Depends on the product |
| Live resin | An extract made from fresh-frozen plant material, usually with a solvent | Usually yes |
Because "resin" terms vary from brand to brand, the label and the budtender are the surest way to confirm how a specific product was made.
What do the texture names mean?
You may see rosin sold under names that describe how it looks and feels. These names are not a legal category, so they can vary a little by producer.
- Badder or budder: smooth and soft, like whipped butter.
- Sugar: grainy, with a crumbly, crystal-like look.
- Sauce: a looser, wetter texture.
- Jam: a thicker, spreadable consistency, often with a mix of textures.
If a listing uses a name you do not know, ask the team to explain it.
How do I read a rosin listing on a menu?
Menu listings usually include a few useful details:
- Product type. Rosin, live rosin, hash rosin or another concentrate type.
- Weight. Concentrates are sold by weight.
- Producer or brand. The licensed company that made it.
- Texture name. See the section above for common names.
Browse the current options on the concentrates menu or the New Buffalo online menu. Items change, so check what is in stock today.
How should rosin be stored?
Keep it in its original, sealed container, away from heat and direct light, and out of reach of children and pets. Many producers recommend cool storage to keep the texture, so follow any instructions on the packaging.
How much concentrate can I buy in Michigan?
Under Michigan's adult-use law (MCL 333.27955), adults 21 and older may possess up to 2.5 ounces of cannabis, and no more than 15 grams of that can be concentrate. Licensed retailers apply the same limits to each purchase.
What should I ask at the counter?
- Is this rosin made from flower or from ice water hash?
- Is it labeled solventless?
- What size options do you have in stock?
- Can you show me the label and the producer information?
- How should I store it?
New to all of this? Read our first-visit guide for what to bring and how a visit works. You can order ahead for in-store or curbside pickup. The store is at 13964 Grand Ave, New Buffalo, MI 49117. Bring a valid government-issued photo ID.
Solventless rosin questions
Is solventless rosin the same as live resin?
No. Rosin is pressed with heat and pressure and uses no solvents. Live resin is typically made with a solvent from fresh-frozen plant material.
What is the difference between flower rosin and hash rosin?
Flower rosin is pressed from flower. Hash rosin is pressed from ice water hash.
Do I need to be 21 to buy concentrates?
Yes. You must be 21 or older with a valid government-issued photo ID.
Can I order concentrates ahead?
Yes. Use the online menu and choose in-store or curbside pickup.
For adults 21+ only. Keep all cannabis products away from children and pets. Public consumption is not allowed in Michigan.
