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Cannabinoids

Rick Simpson Oil (RSO / Phoenix Tears)

Street names: RSO, Phoenix Tears, Cannabis oil, FECO

Rick Simpson Oil (RSO / Phoenix Tears) — Dark black/brown thick cannabis extract; sold in syringes

What it does

  • Heavy sedating high — full-spectrum THC extract
  • Cancer-patient community use

Key risks

  • CANCER-CURE CLAIMS — RSO is marketed as a cancer cure with zero evidence; patients delay real treatment and die
  • Extremely potent — rice-grain doses for novices
  • Made with naphtha/isopropyl — residual solvents if poorly purged
  • Unregulated dosing = overconsumption
  • No quality control in grey market

Overdose signs

  • Severe sedation
  • Anxiety, paranoia
  • Vomiting

📋Quick facts

Also known asRSO, Phoenix Tears, Cannabis oil, FECO
CategoryCannabinoids
Schedule / classFollows local cannabis law; unregulated where illegal
AppearanceDark black/brown thick cannabis extract; sold in syringes
Street price$30–$60 per gram (grey); dispensary extracts vary
Legal statusFollows cannabis law; 'cancer cure' marketing is health fraud
Last updated2026-09-17
Sources: FDA, NIDA, Cancer Research UK

Category comparison — Cannabinoids

SubstanceClassTop risksStreet price
Rick Simpson Oil (RSO / Phoenix Tears)Follows local cannabis law; unregulated where illegalCANCER-CURE CLAIMS — RSO is marketed as a cancer cure with zero evidence; patients delay real treatment and die; Extremely potent — rice-grain doses for novices$30–$60 per gram
Cannabis (Weed)Schedule IAnxiety, panic attacks, paranoia — especially high-THC strains and concentrates; Impaired memory, coordination and driving ability for hours~$10–$20 per gram flower
Cannabis Edibles (THC/CBD)Follows local cannabis law; unregulated market where illegalTHE classic overdose: people eat more when it 'isn't working yet' — 2–3 hour delay means stacking doses; Overconsumption: severe panic, paranoia, vomiting — miserable but not life-threateningLegal market: $2–$5 per 10 mg dose
Street prices are regional estimates. Potency and cuts vary constantly.

?Frequently asked questions

What does Rick Simpson Oil (RSO / Phoenix Tears) look like?

Dark black/brown thick cannabis extract; sold in syringes

What are the signs of a Rick Simpson Oil (RSO / Phoenix Tears) overdose?

Severe sedation; Anxiety, paranoia; Vomiting Call emergency services immediately.

How addictive is it?

CANCER-CURE CLAIMS — RSO is marketed as a cancer cure with zero evidence; patients delay real treatment and die Dependence can develop with regular use.

🔗Sources & further reading

Facts on this page are compiled from these primary sources. External links open in a new tab.