Extraction vocabulary is the most abused language in this market. The terms below describe real, distinct processes with real cost differences — and they appear on labels close to at random.
Solvent and solventless: the first division
Everything divides into two families. Solvent-based extraction uses butane, propane or CO2 to strip resin from plant material, followed by a purge to remove the solvent. Solventless uses only water, ice, heat and pressure.
Neither is automatically better. Solvent methods capture more per pass and produce sharper, brighter terpene character. Solventless captures less but leaves nothing to purge, which is why it commands a premium among people who care about that.
Distillate: refined to nothing
Distillate is stripped down through short-path distillation until almost nothing but cannabinoid remains. It is efficient, scalable, cheap — and completely stripped of aroma.
Flavour has to be added back afterwards, frequently using botanical terpenes derived from fruit or hops rather than cannabis. It is the default fill at the low end, and it is why some inexpensive thc vapes taste like confectionery and nothing like a plant.
Live resin: frozen before it degrades
Live resin starts with plant material flash-frozen at harvest rather than dried and cured. The volatile monoterpenes that would evaporate during drying are still present when extraction begins, so what comes out retains the aromatic profile of the living plant.
Cold-chain handling and a more demanding extraction make it more expensive at every step. That is the honest reason a live-resin product costs more than distillate, and browsing cannabis concentrates uk listings at wildly different prices usually means comparing these two things.
Rosin and live rosin: pressure, not chemistry
Rosin is made by pressing material between heated plates. No solvent is involved at any point. Live rosin applies the same press to ice-water hash made from flash-frozen material, which is the most labour-intensive route in common use and sits at the top of most price lists.
The character differs from live resin in a way people notice: rounder and gentler rather than sharp and bright. Neither is objectively better; they are different flavours of the same idea.
Hash, the oldest format
Traditional hashish predates all of this by centuries and is still made by sieving or hand-rubbing resin and pressing it. Regional styles remain distinguishable — Moroccan sieve-press is soft and earthy, Afghan hand-rubbed is denser and more aromatic.
Modern strain-themed hash sits between the traditions, pressing from a single genetic line so the terpene fingerprint stays sharp. It is a different product from generic imports even where the shelf label is similar.
Which format suits which delivery
Vape hardware needs oil thin enough to wick, which is why distillate and lighter live resin dominate cartridges. Dabbing suits the full range. Hash and rosin work in a pipe or over flower.
Edibles are the outlier. Because the extract is dissolved into fat and cooked, most of the aromatic fraction is lost regardless of what went in — which is why the overwhelming majority of thc gummies are made with distillate. Paying a live-resin premium for an edible is usually paying for a process whose advantage the format destroys.
Format also drives what a product can honestly be called. Anything sold as a thcp vape uk device is describing a specific cannabinoid rather than an extraction route, and the two claims are independent — a point worth separating when comparing listings.
How to actually tell them apart
Read the lab report, not the front of the box. A terpene panel is the giveaway: distillate shows almost no native terpenes, live resin shows a broad profile, rosin shows a profile that matches its source flower.
The same discipline applies across the shelf — to a bulk cbd uk order, a full spectrum cbd uk tincture, a thc chocolate uk edible or a cali vapes device. Without a batch-matched report the words on the packaging are unverifiable.
And be sceptical of process claims attached to cheap products. Cold-chain freezing and pressing cost money. A listing claiming the expensive route at the cheap price is describing something other than what it did.
Where strain naming fits
Strain names only carry information once terpenes survive extraction, which is why they mean something on live resin and rosin and very little on distillate. Discussion of cannabis strains uk shoppers ask about is really discussion of terpene profiles, and a weed delivery uk menu listing twenty names on distillate products is listing twenty flavourings.
Everything else — colour, consistency, how dramatic it looks in a jar — is presentation.
Information only - not medical or legal advice. Cannabis is a controlled drug in the UK under the Misuse of Drugs Act 1971; CBD products are sold as food supplements and are not intended to diagnose, treat, prevent or cure any condition. Verify the current legal position before purchasing. For adults 18 and over only. Do not drive or operate machinery after use. Consult a healthcare professional if pregnant, breastfeeding or taking other medication.