How To Make Rick Simpson Oil

Rick Simpson Oil (RSO) is high-grade concentrated cannabis oil that some cancer patients claim has helped them to slow down, and even reverse, their tumor growth. It’s different than other cannabis oils and harder to make.

How To Make Rick Simpson Oil In 9 Steps

Rick Simpson outlines how to make his famous oil on his website. We’ve broken it down for you in 9 steps. Please be careful with step 6 and ask for help if you need it.

Step 1: Prepare Your Shopping List

You’ll need:

  • 1 pound high quality cannabis flower
  • 2 gallons 99% isopropyl alcohol
  • Wooden stick for crushing flower
  • 2 buckets
  • A few small containers
  • Funnels
  • Coffee filters
  • Electric rice cooker
  • Fan (important safety feature)
  • Stainless steel measuring cup
  • Coffee warmer
  • Syringes
  • 3-4 hours

Step 2: Choose Your Flowers

Start with a pound of organically grown, mold-free cannabis. Read up here to find out how to make sure your product is safe. Sativa-dominant strains and high-CBD strains can work, but Rick Simpson uses a high-THC, indica-dominant strain for his signature oil.

Step 3: Crush The Flower

You’ll want to do this twice. First, place your flowers in a deep, non-plastic container. Pour in the alcohol slowly, giving yourself time to crush the flower completely with a piece of wood before immersing it completely. Once crushed, fill the container with a gallon of alcohol for every pound of flower and stir with your wooden stick for three more minutes.

Next, pour the used solvent into your second bucket. Repeat the process with the remaining gallon of alcohol.

Step 4: Filter Out Extra Material

Line your funnel with a coffee filter. The more filter-lined funnels you have, the quicker the process will go. Place them above your small containers and pour in the cannabis-infused alcohol from each bucket.

Step 5: Prepare Your Rice Cooker

Make sure your rice cooker’s high heat setting is roughly 230°F and that is does not exceed 300°F. The cannabinoids will be vaporized at that temperature, and the oil won’t work. Have a fan handy to whisk away heavy fumes, because they are toxic and can cause fire.

Step 6: Boil The Solvent

Fill your cooker three quarters of the way with your cannabis-infused alcohol. Let some boil off and add more until out. When there’s about 2 inches left of oil in the cooker, add 10-12 drops of water. You’ll hear a crackling sound from the oil when the last of the solvent is boiled off. It will be bubbling. Do this outside unless you have an industrial strength range hood to keep the fumes from aggregating.

Step 7: Evaporate The Leftover Water

Pour your extract out of the rice cooker and into a stainless steel measuring cup. Place the measuring cup on a coffee warmer until the oil has stopped bubbling. Or put it in the oven for an hour at 265°F.

Remove the cup from heat and let it cool.

Step 8: Extract The Resin

Get your plastic applicators or syringes without needles and use the plunger to draw up the warm oil. Allow it to fully cool. The resin will turn into a thick grease-like substance. If the resin is too thick, put the syringe in a cup of hot water before use.

Step 9: Store And Use

Depending on the strain, your oil may be light or dark in color. For long-term storage, put the oil in a stainless steel container or a dark bottle with a tight lid. Learn how to use your homemade oil here.

If you’re experienced in making Rick Simpson’s Oil and would like to make an even higher-quality product, read up here.

Have you or a loved one tried Rick Simpson Oil? Share your experience in the comments below.

Alyssa Gocinski
Alyssa majors in Journalism at Emerson College. While abroad in the Netherlands, she became interested in drug policy when interviewing locals about the cannabis industry. Alyssa researches widespread material and breaks it down into enjoyable and easy-to-read pieces.


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