What is Rick Simpson Oil (RSO) and How to Use It?

cannabis extract
Written by Cara Wietstock

Rick Simpson Oil (RSO) is an extract that is beloved among many medical cannabis patients for its therapeutic benefits. RSO is a whole plant extract that was discovered by none other than Rick Simpson himself. The beautiful thing about the medicine is that he created it for himself.

Rick Simpson developed this oil out of necessity after being diagnosed with skin cancer. Cannabis helped him clear up previous conditions, so when he read a study that THC killed cancer cells in mice, he knew he had to try to use medical cannabis treatment.

To treat the cancerous bumps on his arm, Simpson applied topical cannabis oil under a bandage and left it on for four days. After just those four days the cancerous growths had disappeared, and Simpson knew he had to share this treatment with more patients.

Rick Simpson has helped treat more than 5000 patients using RSO despite police continually raiding his home. He’s also dedicated himself to helping others find the capacity to make RSO for themselves or their loved ones.

How to Use Rick Simpson Oil (RSO)?

In the legal cannabis market, patients can generally find RSO at their local recreational or medical cannabis shop. Once they get it, however, many patients are at a loss as to what to do with it. Applying the cannabis extract directly to the skin as Simpson did can work with skin cancer or topical issues. For those who need to take the medicine internally, they should ingest it. Dabbing RSO is not advised.

Patients are instructed to start with a dosage the size of half of a grain of rice three times a day. For patients that are having trouble swallowing, the extract can be placed directly between the gums and the inside of the lip to let it slowly dissolve. The cannabis extract can also be mixed into food and eaten, but it’s bitter and often needs other flavors to mask its taste.

After week one the dose should be doubled every four days until the sixth week of treatment. During weeks five through 12, a patient should be ingesting one gram of RSO daily. The goal is for a patient to ingest 60 grams of RSO over a 90-day period.


How to Make Rick Simpson Oil (RSO) At Home?

Making RSO is easy to do at home, it just takes:

  • Cannabis
  • Solvent of our choice (99% isopropyl alcohol, butane, ethanol, etc.)
  • 5-Gallon bucket
  • Deep wooden bowl
  • Wood Spoon
  • Cheesecloth
  • Rice cooker
  • 60ml plastic catheter tip syringe

For the full directions on how to make RSO check out Rick Simpson’s FAQ on the matter. It has played a prominent role in many cancer success stories and has long been a driving force in the medical cannabis world.

About the author

Cara Wietstock

Cara began working in the retail cannabis industry of San Francisco, CA in 2011 and continued in that sector for years. In 2015 she dedicated herself to writing full-time. Her passion for the written word and deep respect for the healing properties of the plant have brought her to Terpenes and Testing magazine. She now helps keep us on the cutting edge of scientific cannabis discovery as the Editor-in-Chief of the print publication.

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