Is HHC (Hexahydrocannabinol) Legal in Washington? (2026)

Capsule / tablet

Illegal

As of September 23, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads gray area) in Washington as capsule / tablet. HHC capsule -- federally Schedule I (DEA drug code 7220). Controlling source: RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023).

Verified September 23, 2026 (llm review) · confidence: confirmed
Federal
HHC capsule -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Gray area.
Rule type
permanent
Tier
under review
Effectively prohibitive
HHC capsule is an intoxicating cannabinoid restricted to the WSLCB-licensed cannabis channel; not lawful in general/hemp retail.

Controlling language, verbatim

'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC.

Source of excerpt

Citations

  1. RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023) (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  2. Hemp-Derived and Synthetic THC Products -- Legal? (Washington State Liquor and Cannabis Board (WSLCB), 2026-07-19) PRIMARYOFFICIAL
  3. RCW 69.50.575 -- Cannabis health and beauty aids (CHABA) topical carve-out (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  4. RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) PRIMARYOFFICIAL

Change history

  • Status changed from illegal to restricted.
  • Status changed from restricted to illegal.

Beverage

Illegal

As of September 23, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads gray area) in Washington as beverage. HHC drink -- federally Schedule I (DEA drug code 7220). Controlling source: RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023).

Verified September 23, 2026 (llm review) · confidence: confirmed
Federal
HHC drink -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Gray area.
Rule type
permanent
Tier
under review
Effectively prohibitive
HHC beverage is an ingested intoxicating cannabinoid restricted to the WSLCB-licensed cannabis channel (detectable-THC cannabis-product rule; WSLCB intoxicating-hemp policy).

Controlling language, verbatim

'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC.

Source of excerpt

Citations

  1. RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023) (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  2. Hemp-Derived and Synthetic THC Products -- Legal? (Washington State Liquor and Cannabis Board (WSLCB), 2026-07-19) PRIMARYOFFICIAL
  3. RCW 69.50.575 -- Cannabis health and beauty aids (CHABA) topical carve-out (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  4. RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) PRIMARYOFFICIAL

Change history

  • Status changed from illegal to restricted.
  • Status changed from restricted to illegal.

Edible / ingestible

Illegal

As of September 23, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads gray area) in Washington as edible / ingestible. HHC edible -- federally Schedule I (DEA drug code 7220). Controlling source: RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023).

Verified September 23, 2026 (llm review) · confidence: confirmed
Federal
HHC edible -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Gray area.
Rule type
permanent
Tier
under review
Effectively prohibitive
HHC edible is an intoxicating cannabinoid restricted to the WSLCB-licensed cannabis channel (WSLCB intoxicating-hemp policy; RCW 69.50.101(8)(a) detectable-THC cannabis-product routing). Not lawful in general/hemp retail.

Controlling language, verbatim

'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC.

Source of excerpt

Citations

  1. RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023) (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  2. Hemp-Derived and Synthetic THC Products -- Legal? (Washington State Liquor and Cannabis Board (WSLCB), 2026-07-19) PRIMARYOFFICIAL
  3. RCW 69.50.575 -- Cannabis health and beauty aids (CHABA) topical carve-out (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  4. RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) PRIMARYOFFICIAL

Change history

  • Status changed from illegal to restricted.
  • Status changed from restricted to illegal.

Flower / raw plant

Illegal

As of September 23, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads gray area) in Washington as flower / raw plant. HHC flower -- federally Schedule I (DEA drug code 7220). Controlling source: RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023).

Verified September 23, 2026 (llm review) · confidence: confirmed
Federal
HHC flower -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Gray area.
Rule type
permanent
Tier
under review
Effectively prohibitive
HHC-infused flower is an intoxicating cannabinoid product routed to the WSLCB-licensed cannabis channel; inhaling a product with any detectable THC also triggers the RCW 69.50.101(8)(a) 'cannabis product' definition. Not lawful in general/hemp retail.

Controlling language, verbatim

'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC.

Source of excerpt

Citations

  1. RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023) (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  2. Hemp-Derived and Synthetic THC Products -- Legal? (Washington State Liquor and Cannabis Board (WSLCB), 2026-07-19) PRIMARYOFFICIAL
  3. RCW 69.50.575 -- Cannabis health and beauty aids (CHABA) topical carve-out (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  4. RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) PRIMARYOFFICIAL

Change history

  • Status changed from illegal to restricted.
  • Status changed from restricted to illegal.

Other

Illegal

As of October 7, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads gray area) in Washington as other. HHC other -- federally Schedule I (DEA drug code 7220). Controlling source: RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023).

Verified October 7, 2026 (manual) · confidence: confirmed
Federal
HHC other -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Gray area.
Rule type
permanent
Tier
under review

Controlling language, verbatim

'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC.

Source of excerpt

Citations

  1. RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023) (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  2. Hemp-Derived and Synthetic THC Products -- Legal? (Washington State Liquor and Cannabis Board (WSLCB), 2026-07-19) PRIMARYOFFICIAL
  3. RCW 69.50.575 -- Cannabis health and beauty aids (CHABA) topical carve-out (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  4. RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) PRIMARYOFFICIAL

Powder / bulk

Illegal

As of September 23, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads gray area) in Washington as powder / bulk. HHC powder -- federally Schedule I (DEA drug code 7220). Controlling source: RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023).

Verified September 23, 2026 (llm review) · confidence: confirmed
Federal
HHC powder -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Gray area.
Rule type
permanent
Tier
under review
Effectively prohibitive
HHC isolate/powder intended for ingestion is an intoxicating cannabinoid restricted to the WSLCB-licensed cannabis channel; not lawful in general/hemp retail.

Controlling language, verbatim

'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC.

Source of excerpt

Citations

  1. RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023) (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  2. Hemp-Derived and Synthetic THC Products -- Legal? (Washington State Liquor and Cannabis Board (WSLCB), 2026-07-19) PRIMARYOFFICIAL
  3. RCW 69.50.575 -- Cannabis health and beauty aids (CHABA) topical carve-out (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  4. RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) PRIMARYOFFICIAL

Change history

  • Status changed from illegal to restricted.
  • Status changed from restricted to illegal.

Raw material / RUO

Illegal

As of October 7, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads gray area) in Washington as raw material / ruo. HHC raw material -- federally Schedule I (DEA drug code 7220). Controlling source: RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023).

Verified October 7, 2026 (manual) · confidence: confirmed
Federal
HHC raw material -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Gray area.
Rule type
permanent
Tier
under review

Controlling language, verbatim

'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC.

Source of excerpt

Citations

  1. RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023) (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  2. Hemp-Derived and Synthetic THC Products -- Legal? (Washington State Liquor and Cannabis Board (WSLCB), 2026-07-19) PRIMARYOFFICIAL
  3. RCW 69.50.575 -- Cannabis health and beauty aids (CHABA) topical carve-out (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  4. RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) PRIMARYOFFICIAL

Tincture / sublingual

Illegal

As of September 23, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads gray area) in Washington as tincture / sublingual. HHC tincture -- federally Schedule I (DEA drug code 7220). Controlling source: RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023).

Verified September 23, 2026 (llm review) · confidence: confirmed
Federal
HHC tincture -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Gray area.
Rule type
permanent
Tier
under review
Effectively prohibitive
HHC tincture is an intoxicating cannabinoid restricted to the WSLCB-licensed cannabis channel; not lawful in general/hemp retail.

Controlling language, verbatim

'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC.

Source of excerpt

Citations

  1. RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023) (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  2. Hemp-Derived and Synthetic THC Products -- Legal? (Washington State Liquor and Cannabis Board (WSLCB), 2026-07-19) PRIMARYOFFICIAL
  3. RCW 69.50.575 -- Cannabis health and beauty aids (CHABA) topical carve-out (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  4. RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) PRIMARYOFFICIAL

Change history

  • Status changed from illegal to restricted.
  • Status changed from restricted to illegal.

Topical

Illegal

As of September 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads gray area) in Washington as topical. HHC topical -- federally Schedule I (DEA drug code 7220). Controlling source: RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023).

Verified September 22, 2026 (llm review) · confidence: confirmed
Federal
HHC topical -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Gray area.
Rule type
permanent
Tier
under review

Controlling language, verbatim

'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC.

Source of excerpt

Citations

  1. RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023) (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  2. Hemp-Derived and Synthetic THC Products -- Legal? (Washington State Liquor and Cannabis Board (WSLCB), 2026-07-19) PRIMARYOFFICIAL
  3. RCW 69.50.575 -- Cannabis health and beauty aids (CHABA) topical carve-out (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  4. RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) PRIMARYOFFICIAL

Vape / inhalable

Illegal

As of September 23, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads gray area) in Washington as vape / inhalable. HHC vape -- federally Schedule I (DEA drug code 7220). Controlling source: RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023).

Verified September 23, 2026 (llm review) · confidence: confirmed
Federal
HHC vape -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Gray area.
Rule type
permanent
Tier
under review
Effectively prohibitive
yes, in practice

Controlling language, verbatim

'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC.

Source of excerpt

Citations

  1. RCW 69.50.101 -- Definitions ('cannabis product' includes any product intended for internal consumption/absorption with any detectable amount of THC; industrial hemp carve-out) (added/amended by SB 5367, 2023) (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  2. Hemp-Derived and Synthetic THC Products -- Legal? (Washington State Liquor and Cannabis Board (WSLCB), 2026-07-19) PRIMARYOFFICIAL
  3. RCW 69.50.575 -- Cannabis health and beauty aids (CHABA) topical carve-out (Washington State Legislature (official RCW), 2026-07-19) PRIMARYOFFICIAL
  4. RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) PRIMARYOFFICIAL

Change history

  • Status changed from illegal to restricted.
  • Status changed from restricted to illegal.

Status by product form in Washington

FormStatusHeadlineVerified
Capsule / tablet IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: gray2026-09-23
Beverage IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: gray2026-09-23
Edible / ingestible IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: gray2026-09-23
Flower / raw plant IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: gray2026-09-23
Other IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: gray2026-10-07
Powder / bulk IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: gray2026-09-23
Raw material / RUO IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: gray2026-10-07
Tincture / sublingual IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: gray2026-09-23
Topical IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: gray2026-09-22
Vape / inhalable IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: gray2026-09-23

Where HHC (Hexahydrocannabinol) stands across the country

LegalRestrictedGray areaIllegalNot yet verified

Among Washington's 2 neighbors, Idaho and Oregon are illegal, the same posture as Washington.

Map and neighbor comparison show capsule / tablet. Open the interactive map · Every compound in Washington

Federal posture

Federally scheduled or prohibited. HHC capsule -- federally Schedule I (DEA drug code 7220) Federal detail

Verbatim law on file for Washington

4 instruments on file for this compound's framework in Washington; 40 of 40 citations above are official sources. Each text carries its source and a fingerprint that changes when the law does.

RCW 15.140.020 · Definitions -- Hemp (delta-9-only); Hemp consumable (includes inhalation)OFFICIAL
Instrument
Definitions -- Hemp (delta-9-only); Hemp consumable (includes inhalation)
Source
https://app.leg.wa.gov/RCW/default.aspx?cite=15.140.020
Retrieved
2026-07-02
Fingerprint
8f2ff536faa0aba7
RCW 15.140.020 Definitions.

The definitions in this section apply throughout this chapter unless the context clearly requires otherwise.

(1) "Agriculture improvement act of 2018" means sections 7605, 10113, 10114, and 12619 of the agriculture improvement act of 2018, P.L. 115-334.

(2) "Cannabis" has the meaning provided in RCW 69.50.101.

(3) "Crop" means hemp grown as an agricultural commodity.

(4) "Cultivar" means a variation of the plant Cannabis sativa L. that has been developed through cultivation by selective breeding.

(5) "Department" means the Washington state department of agriculture.

(6) "Food" has the same meaning as defined in RCW 69.07.010.

(7) "Hemp" means the plant Cannabis sativa L. and any part of that plant, including the seeds thereof and all derivatives, extracts, cannabinoids, isomers, acids, salts, and salts of isomers, whether growing or not, with a delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis.

(8) "Hemp consumable" means a product that is sold or provided to another person, that is:
(a) Made of hemp;
(b) Not a cannabis product, as defined in RCW 69.50.101; and
(c) Intended to be consumed or absorbed inside the body by any means, including inhalation, ingestion, or insertion.

(9) "Hemp processor" means a person who takes possession of raw hemp material with the intent to modify, package, or sell a transitional or finished hemp product.

(10)(a) "Industrial hemp" means all parts and varieties of the genera Cannabis, cultivated or possessed by a grower, whether growing or not, that contain a tetrahydrocannabinol concentration of 0.3 percent or less by dry weight that was grown under the industrial hemp research program as it existed on December 31, 2019.
(b) "Industrial hemp" does not include plants of the genera Cannabis that meet the definition of "cannabis."

(11) "Postharvest test" means a test of tetrahydrocannabinol concentration levels of hemp after being harvested based on:
(a) Ground whole plant samples without heat applied; or
(b) Other approved testing methods.

(12) "Process" means the processing, compounding, or conversion of hemp into hemp commodities or products.

(13) "Produce" or "production" means the planting, cultivation, growing, or harvesting of hemp including hemp seed.
RCW 69.50.101(4), (8)(a), (49); RCW 15.140.020 (SB 5367, 2023) · RCW 69.50.101(4), (8)(a), (49); RCW 15.140.020 (SB 5367, 2023)OFFICIAL
Instrument
RCW 69.50.101(4), (8)(a), (49); RCW 15.140.020 (SB 5367, 2023)
Source
https://app.leg.wa.gov/RCW/default.aspx?cite=69.50.101
Retrieved
2026-10-07
Fingerprint
f3042f0e75f2f10b
RCW 69.50.101(8)(a) ["Cannabis products" means products] "with any detectable amount of THC" [...]. (49) ["THC concentration" means] "percent of tetrahydrocannabinol content of any part of the plant Cannabis" [counting combined THC and THCA regardless of moisture]. (4) [Cannabis] "does not include hemp or industrial hemp as defined in RCW 15.140.020." [Bracketed spans summarized.]
RCW 69.50.575 · 69.50.575. Cannabis health and beauty aids.OFFICIAL
Instrument
69.50.575. Cannabis health and beauty aids.
Source
https://app.leg.wa.gov/rcw/default.aspx?cite=69.50.575
Retrieved
2026-07-18
Fingerprint
ddf002e2f91de129
(1) Cannabis health and beauty aids are not subject to the regulations and penalties of this chapter that apply to cannabis, cannabis concentrates, or cannabis-infused products. (2) For purposes of this section, "cannabis health and beauty aid" means a product containing parts of the cannabis plant and which: (a) Is intended for use only as a topical application to provide therapeutic benefit or to enhance appearance; (b) Contains a THC concentration of not more than 0.3 percent; (c) Does not cross the blood-brain barrier; and (d) Is not intended for ingestion by humans or animals.
RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger) · Cannabis product definitionOFFICIAL
Instrument
Cannabis product definition
Source
https://app.leg.wa.gov/rcw/default.aspx?cite=69.50.575
Retrieved
2026-10-07
Fingerprint
03e1ee28695e3aab
RCW 69.50.575. Cannabis health and beauty aids. (1) Cannabis health and beauty aids are not subject to the regulations and penalties of this chapter that apply to cannabis, cannabis concentrates, or cannabis-infused products. (2) For purposes of this section, 'cannabis health and beauty aid' means a product containing parts of the cannabis plant and which: (a) Is intended for use only as a topical application to provide therapeutic benefit or to enhance appearance; (b) Contains a THC concentration of not more than 0.3 percent; (c) Does not cross the blood-brain barrier; and (d) Is not intended for ingestion by humans or animals. Operative routing rule -- RCW 69.50.101(8)(a): 'Cannabis products' means useable cannabis, cannabis concentrates, and cannabis-infused products as defined in this section, including any product intended to be consumed or absorbed inside the body by any means including inhalation, ingestion, or insertion, with any detectable amount of THC. WSLCB official position (Hemp-Derived and Synthetic THC Products -- Legal?): intoxicating hemp-derived and synthetic cannabinoids, including delta-8, delta-10, THC-O, HHC, and THCP, are regulated as cannabis and are not lawful for sale outside the WSLCB-licensed cannabis system, regardless of the state of origin.

Related

HHC (Hexahydrocannabinol) in neighboring states

HHC (Hexahydrocannabinol) in other states

Same framework in Washington

Other compounds in Washington

Cite this page

Compound Analytics. "Is HHC (Hexahydrocannabinol) Legal in Washington? (2026)." Compound Laws, https://compoundlaws.com/compounds/hhc/washington/. Accessed October 25, 2026.

Compound Laws, published by Compound Analytics, reports the record: statutes verbatim, official citations, enforcement facts and verification dates. Nothing here is legal advice and nothing here describes how to get around a law. A jurisdiction with no verified row is reported as not yet verified, never as legal. Found an error? Corrections policy.

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