Rick Simpson Oil (RSO) is a highly-concentrated form of marijuana oil developed by a Canadian engineer. Rick Simpson began cultivating his own cannabis and developed his own form of cannabis concentrate after being diagnosed with a form of skin cancer. He originally applied his cannabis concentrate topically on a bandage to treat his basal cell carcinoma. His Remedy later became known as RSO. Rick Simpson Oil is highly potent with THC levels between 60-90% Rick Simpson Oil Syringe Attributes: Great For: AIDS/HIV, Arthritis, Asthma, Cellular mutations such as polyps, tumors, and warts, Chronic pain, Crohns disease, Diabetes, Depression, Insomnia, Migraines, Osteoporosis, Psoriasis, Various types of cancer.