Are CBD vapes legal?

Are CBD vapes legal under federal law?

A hemp CBD vape is legal to make and own under federal law, but selling and shipping it come with extra rules.

What counts as hemp. Federal law calls cannabis “hemp” when it holds no more than 0.3% delta-9 THC by dry weight (7 U.S.C. 1639o). A CBD vape under that limit is hemp, not a controlled substance.

What hemp status doesn’t cover. Being hemp doesn’t give a seller permission to sell or ship a vape anywhere. Since March 27, 2021, federal law has treated vapes as electronic nicotine delivery systems (ENDS), and the definition covers devices that deliver “any other substance”, not only nicotine. ATF says ENDS includes liquids, parts and accessories. That pulls CBD vapes into federal delivery rules, covered below.

Your state comes last, and often decides. Every state can set stricter rules, and many treat vapes more strictly than oils or gummies.

Is CBD vape juice legal?

Vape juice is the liquid inside a cartridge or tank. Some stores call it e-liquid. The law doesn’t treat it differently from a cart or a disposable pen. All three are vape products, and ATF counts the liquid itself as part of ENDS.

So the same tests apply:

• Federal: 0.3% delta-9 THC or less to count as hemp.
• Sale and shipping: the federal ENDS rules below.
• State: your state must allow hemp vapes, and you must meet its age and THC rules.

State bans are usually written broadly. Louisiana bans any hemp product made for inhalation. Kansas bans all hemp vape products, CBD included. In those states, vape juice is covered too.

What federal rules apply to selling and shipping CBD vapes?

Two sets of rules apply on top of the hemp definition.

The PACT Act. Anyone who sells, transfers or ships ENDS for profit across state lines must register with ATF and with each state they ship into, according to ATF’s PACT Act page. For a sale to a consumer, 15 U.S.C. 376a requires the seller to:

• follow the destination’s state and local laws as if the sale happened there
• pay state and local taxes before shipping
• label the package as containing these products
• keep each delivery under 10 pounds
• check the buyer’s age when the order is placed, and have the carrier check ID and get an adult’s signature at delivery

The Postal Service. USPS has treated vape products as non-mailable since October 21, 2021 (USPS final rule). The rule covers devices and liquids that deliver “nicotine, flavor, or any other substance”, so CBD vapes are included. Narrow exceptions exist, such as shipments within Alaska or Hawaii. They don’t cover ordinary online orders.

The USPS rule is about the mail only. It doesn’t make every online vape sale illegal. A seller that follows the PACT Act can ship by private carrier into a state that allows the sale.

Which states ban CBD vapes?

Outright sale bans. Hemp vapes can’t be sold at all in nine states. Texas has banned them since September 2025 (Texas State Law Library). California has banned inhalable hemp products since January 1, 2026 (Department of Cannabis Control). Utah banned all cannabinoid vapes on July 1, 2026, CBD included (HB 265). Hawaii, Iowa, Kansas, Louisiana, North Dakota and South Dakota have their own bans.

Licensed channel only. The District of Columbia is different. Its ABC Board treats hemp CBD as cannabis, so ordinary shops can’t sell it, but a licensed medical cannabis business can (ABC Board order).

The full list, with each state’s rule, is in the table below.

What limits apply where CBD vapes are legal?

Most states allow CBD vapes with conditions. These are the common ones:

Delta-8 and THC carts are a separate question. Many states that allow CBD vapes ban them.

What changes on December 11, 2026?

The federal definition of hemp gets tighter (H.R. 6500, section 2019 set the date). Two changes matter for vapes:

1. Total THC counts. THCA is added to delta-9 THC when a lab tests the product.
2. A cap per container. A finished product can hold no more than 0.4 mg of total THC.

The second rule is hard on vapes with any THC. A 1 gram cartridge at 0.3% THC holds about 3 mg of THC. That’s more than seven times the new cap. Our total THC calculator works out any cart from its lab report.

CBD isolate vapes are the least affected, but “isolate” or “no detectable THC” on a lab report isn’t a legal guarantee. Each lab has a detection limit, and a result below it means the THC was too low for that test to measure, not that there’s none. The 0.4 mg cap still applies to the whole cart, and your state’s own product rules (registration, labels, testing, age) still apply too.

Cannabinoids the hemp plant can’t make at all, such as THC-O, lose hemp status earlier, on November 12, 2026. More on both dates: the federal hemp ban.

What should I check before buying a CBD vape?

• Your state’s rule. Find it in the table below or on the CBD law map.
• A batch lab report (COA). It should match the lot number on the box, and show the lab’s detection limit for THC.
• Total THC per cartridge, not just the percentage.
• No delta-8, THC-O or other THC if your state only allows CBD.
• How it ships. A seller that ships vapes through USPS, or skips the ID check at delivery, isn’t following federal rules.
• Your age. Many states sell vapes only to adults 21 and older.

How we sourced this page. Federal claims link straight to the official text. State claims summarize our state guides, and each guide lists that state’s official sources. Every source, with dates, is also on our verification page.