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What’s the Difference Between FECO and RSO?
If you’ve been exploring the world of cannabis concentrates, you’ve probably come across RSO (Rick Simpson Oil) and FECO (Full Extract Cannabis Oil). They’re both thick, powerful extracts—but here’s the twist: neither is actually oil-based.
That’s right—RSO and FECO are both made using high-proof alcohol as a solvent, not traditional oils like MCT, coconut, or olive oil. But even though they’re similar in how they’re made, they serve slightly different purposes, and one might suit your needs better than the other.
Let’s break it all down.
What Is Full Extract Cannabis Oil (FECO)?
FECO is made by soaking cannabis plant material in food-grade alcohol (like ethanol), which pulls out cannabinoids, terpenes, and other compounds. The alcohol is then carefully evaporated, leaving behind a thick, dark, sticky concentrate.
Key Features of FECO:
Solvent: Food-grade alcohol (ethanol)
Appearance: Thick, black, or dark brown oil
Potency: Very high in THC, CBD, or a mix—depends on strain
Uses:
Why people love FECO: It’s considered a cleaner, safer extract when made properly because it uses consumable-grade solvents.
What Is Rick Simpson Oil (RSO)?
RSO is named after Rick Simpson, a Canadian medical cannabis activist who developed the formula to help with cancer symptoms. RSO is made similarly to FECO but traditionally uses isopropyl alcohol or naphtha, which are not considered food-safe solvents.
Key Features of RSO:
Solvent: Isopropyl alcohol or naphtha (non-food grade)
Appearance: Very thick, sticky, tar-like
Potency: High in THC
Uses:
Why people use RSO: It’s been used historically for intense therapeutic applications, particularly in high-dose regimens.
FECO vs RSO: A Side-by-Side Breakdown
| Feature | FECO | RSO |
| Solvent | Food-grade ethanol | Isopropyl alcohol or naphtha |
| Safety | Safe for ingestion | Not recommended for eating |
| Color/Texture | Dark, sticky oil | Very thick, tar-like paste |
| Taste | Bitter, plant-like | Strong, harsh taste |
| Uses | Edibles, topicals, sublingual | Sublingual, topicals |
Which Is Better: FECO or RSO?
If you’re looking for a safer, edible-friendly option, FECO is the better choice—especially if you’re using your Noids Canna Cooker to make infused oils, tinctures, or homemade edibles.
Why FECO Wins:
RSO still has a place in the cannabis world, particularly for non-edible therapeutic use, but for modern, safe, and versatile infusions—FECO is the way to go.
Final Thoughts
So, is there oil in RSO or FECO? Nope—what you’re actually working with is a cannabis extract made with alcohol, not traditional cooking oils. But both are potent, powerful concentrates that can play a big role in your wellness routine.
For everyday users looking to make edibles, capsules, or topicals with your Noids Canna Cooker, stick with FECO—it’s safer, food-grade, and super effective.
