HHC - Information and Harm Reduction

What is HHC (Hexahydrocannabinol)?

HHC, which stands for hexahydrocannabinol, is a chemical compound that belongs to the group of cannabinoids. It is structurally related to THC but is characterized by differences in its effects. HHC has its roots in research on psychoactive compounds and analgesic properties.


Description and History of HHC

HHC is a relatively new substance in the realm of research and recreational use. Its history is largely tied to the exploration of new cannabinoid compounds and their potential therapeutic applications. Currently, research is ongoing regarding its impact on various medical conditions, including chronic pain and neurological disorders.

VIDEO: Do's and don'ts of using weed (enable captions)

How Does HHC (Hexahydrocannabinol) Work?

HHC (Hexahydrocannabinol) is a chemical compound that is one of the cannabinoids, which mainly affects the central nervous system by activating cannabinoid receptors. This leads to changes in neurological functions, affecting memory, thinking, sensory perception, and mood. HHC (Hexahydrocannabinol) is responsible for most of the psychoactive effects associated with its consumption, including feelings of euphoria, altered perception, and increased appetite.

HHC (Hexahydrocannabinol): Effects

1. Euphoria and relaxation: HHC (Hexahydrocannabinol) often induces feelings of euphoria and relaxation.
2. Altered sensory perception: Users of HHC (Hexahydrocannabinol) may experience altered sensory perception, particularly in relation to sight, hearing, and taste.
3. Increased appetite: HHC (Hexahydrocannabinol) can stimulate appetite, often referred to as the “munchies” effect.
4. Reduced coordination: Users of HHC (Hexahydrocannabinol) may experience decreased coordination and motor skills.
5. Mood changes: HHC (Hexahydrocannabinol) can affect mood, causing both euphoria and anxiety or paranoia.
6. Potential side effects: Using HHC (Hexahydrocannabinol) carries the risk of side effects, such as memory impairment, anxiety, and decreased cognitive ability.
7. Risk of addiction: HHC (Hexahydrocannabinol) can lead to psychological addiction, and sometimes physical dependence, especially with prolonged and regular use.
8. Potential health consequences: Regular use of HHC (Hexahydrocannabinol) can lead to adverse health effects, such as respiratory problems, memory issues, and mood changes.

HHC (Hexahydrocannabinol): Duration of Effects

  • Onset of effects: Effects of HHC (Hexahydrocannabinol) typically occur within a few minutes to half an hour after consumption.
  • Peak action: HHC (Hexahydrocannabinol) reaches its maximum effect usually within the first 2 hours after consumption.
  • Duration of effects: Effects of HHC (Hexahydrocannabinol) can last from 2 to 4 hours, depending on the dosage, method of consumption, and individual body response.
  • Diminishing of effects: After the active period, users may experience a gradual decrease, which can result in fatigue and a diminished mood.

HHC (Hexahydrocannabinol): Dosage

  • Standard dose: Typical HHC (Hexahydrocannabinol) dosage may vary depending on the method of consumption, but usually ranges from 5 to 20 mg, depending on individual tolerance.
  • Low dose: Dosages below 5 mg are considered low and may cause subtle psychoactive effects.
  • High dose: Dosages above 20 mg can lead to stronger effects but carry a higher risk of side effects and health consequences.

VIDEO: How does weed works? (enable captions)

Damage Reduction: HHC

Do not use HHC, especially if:

  • You have a history of mental illnesses such as psychosis or schizophrenia.
  • You are taking medications that may have negative interactions with HHC.
  • You are pregnant or breastfeeding.
  • You have a history of substance abuse.
  • You are in a dangerous environment where there is a risk of exposure to hazardous situations.

Here are some basic tips for damage reduction when using HHC:

  • Start with a low dose, especially if you have no experience with using HHC.
  • Remember to maintain hydration balance, avoiding excessive water intake.
  • Avoid frequent use of HHC to prevent the development of tolerance and potential harmful effects on mental health.
  • Be cautious when combining HHC with other substances that may affect your health.
  • In case of severe adverse reactions, consult a doctor.
  • If you intend to use HHC, make sure it is pure by using a reliable substance testing kit such as PRO Test.

Click the article above to learn how to test THC, CBD and other cannabinoids.

Mixing: HHC

It is best to avoid mixing psychoactive substances, but if it comes to it, it is important to be aware of the potential risks. Here is a list of the main risks of mixing HHC with popular psychoactive substances:


  • HHC and Alcohol: The combination of HHC and alcohol may increase the risk of cognitive impairments and reduced psycho-physical performance.
  • HHC and Benzodiazepines: The combination may lead to an increased sedative effect and the risk of excessive sedation.
  • HHC and DMT: Mixing HHC with DMT can lead to intensified psychedelic effects and potential disorientation.
  • HHC and GBL: Combining HHC with GBL carries an increased risk of consciousness disorders and the risk of overdose.
  • HHC and GHB: The combination of HHC with GHB may increase the risk of consciousness disorders and the risk of overdose.
  • HHC and Psilocybin Mushrooms: The combination can lead to the potential amplification of psychedelic effects and mood changes.
  • HHC and Serotonin Reuptake Inhibitors (SSRIs): There may be an increased risk of side effects such as nausea and mood changes.
  • HHC and Ketamine: Combining HHC with ketamine can lead to increased dissociative effects and disorientation.
  • HHC and Caffeine: The combination may increase the risk of tachycardia and heightened excitability.
  • HHC and MDMA: Mixing HHC with MDMA may increase the risk of uncontrolled euphoria and mood changes.
  • HHC and LSD: The combination can lead to potential amplification of psychedelic effects and mood changes.
  • HHC and MAOi: Combining HHC with MAOi carries a low risk.
  • HHC and Methamphetamine: Concurrent use of HHC and methamphetamine can excessively stimulate the nervous system and increase health risks.
  • HHC and NBOMe: Combining HHC with NBOMe can lead to increased effects and the risk of excessive stimulation.
  • HHC and Opioids: Mixing HHC with opioids carries an increased risk of respiratory depression and overdose.
  • HHC and Nitrous Oxide: The combination can lead to intensified dissociative effects and disorientation.
  • HHC and Amphetamine: Mixing HHC with amphetamine may increase the risk of anxiety and paranoia.
  • HHC and Tramadol: Combining HHC with tramadol may carry the potential risk of dangerous interactions and side effects.

Is HHC Legal?

The legal status of HHC varies depending on the country. In some jurisdictions, HHC is legal, while in others, it is a controlled substance, and its recreational use is illegal, for example, in Poland.



  • erowid.org
  • dmt-nexus.me
  • psychonautwiki.org
  • tripsit.me
  • wikipedia.org


The information presented on this page is not intended to promote drug use. Many of the substances mentioned are illegal according to national and international law, and possessing these substances is punishable by law. Never assume that a substance is safe. The concentration, purity, and additives can vary greatly, even if the samples come from the same source or look similar. Chemical Safety sp. z o.o. strongly discourages the use of any psychoactive substances – legal or illegal. Using psychoactive substances always carries health risks that can be avoided.