Analysis of the latest developments in FDA electronic cigarette regulatory policies in the United States in 2026

On May 5, 2026, the US FDA approved non tobacco and non mint flavored electronic cigarettes for the first time, indicating that the approval channel for flavored products has not been closed. Does this mean that the PMTA review threshold has been relaxed and the overall regulatory strength of the FDA has decreased? Let's analyze it in conjunction with a series of policies recently released by the FDA.

March 11th: FDA releases draft ENDS seasoning guidelines

The FDA has released a draft guideline for pre-market applications of flavored electronic nicotine delivery systems (ENDS) - considerations related to adolescent risk. The deadline for public comments is May 11, 2026. The core of this guideline is the matching of risk and burden of proof, adhering to the APPH standard of "adult harm reduction benefits>adolescent induced risks".

1) Taste risk classification and corresponding burden of proof

Risk level, flavor category, adolescent attractiveness, evidence requirements

High risk fruits, candies/desserts bear the heaviest burden of evidence

Evidence of moderate increase in moderate risk peppermint/menthol

Evidence of low-risk spices, tea, and coffee with lower and smaller increments

The benchmark tobacco taste benchmark reference does not require additional evidence (comparison benchmark)

2) Add Device Access Restriction (DAR) compliance path

DAR is a system that includes software or technology to unlock or use products by requiring user age verification and identity recognition, continuously preventing minors from using tobacco products.

The FDA explicitly states that age verification only for online sales cannot effectively prevent teenagers from accessing electronic cigarette products. Even if DAR technology is used, it must provide effective and reliable evidence through robust scientific research to prove its ability to effectively prevent minors from using it.

April 22nd: Large scale expansion of HPHC list

The FDA has officially expanded its list of Hazardous and Potential Hazardous Compounds (HPHC), adding 18 new controlled substances, bringing the total number from 93 to 111, marking the largest expansion since 2012; The newly added 18 types of HPHC directly increase the testing items, technical barriers, and compliance costs of flavored electronic cigarettes.

Add 18 new HPHC substance lists and hazard descriptions

No. Material Name (Chinese) Hazard Statement

Inhalation of acetic acid may cause respiratory irritation and inflammation

Long term or high concentration inhalation of 2-hydroxy-2-butanone may cause adverse effects on the respiratory system

3-acetylpropionyl (2,3-pentanedione) may cause respiratory injury and be associated with "popcorn lung"

Inhalation of 4 benzyl acetate may irritate the respiratory tract, and long-term exposure may cause respiratory damage

5 Butyraldehyde irritant gas, inhalation may cause respiratory inflammation and lung function damage

6 diacetyl is known to be closely related to "popcorn lung" (bronchiolitis obliterans)

Diethylene glycol has nephrotoxicity and hepatotoxicity, and high-dose exposure can cause organ damage

Inhalation of high concentration steam in ethyl acetate can cause upper respiratory tract irritation, dizziness, and drowsiness

Inhalation of 9 ethylene glycol can cause respiratory irritation; High dose exposure may affect reproduction and development

Inhalation of furfural can cause respiratory irritation and pulmonary edema, and long-term exposure carries a risk of neurotoxicity

11. Inhalation of high concentration glycerol through glycerol atomization may cause respiratory irritation

12. Glycyrrhizin is known to be a potential human carcinogen, and long-term exposure is associated with an increased risk of cancer

Inhalation of isoamyl acetate may irritate the respiratory tract and eyes, and high concentrations can cause headaches and fatigue

14 Isobutyl acetate vapor may cause respiratory irritation and central nervous system depression

Inhalation of methyl acetate can cause respiratory irritation, headache, drowsiness, and dizziness

Inhalation of 16 n-butanol may cause coughing, sore throat, headache, and dizziness

Inhalation of 17 propionic acid can cause respiratory irritation and burns, and high concentration exposure may cause lung injury

Inhalation of high concentration propylene glycol through 18% ethylene glycol atomization may cause respiratory irritation

On May 5th, the first seasoning ENDS was officially approved

The US FDA has approved non tobacco and non mint flavored electronic cigarettes for the first time, breaking the FDA's long-standing practice of only approving pure tobacco flavored electronic cigarettes.

The core reason for the approval of this flavored electronic cigarette is:

Adequate evidence for adult harm reduction: complete data supports that seasoning products can effectively help adult smokers replace traditional cigarettes, achieve smoking cessation and harm reduction, and the overall public health benefits are significantly greater than the induced risks for adolescents

DAR technology strengthens the protection of minors: it adopts multi-layer risk control measures such as government ID age verification, Bluetooth device binding, inability to use without mobile phones, random biometric re examination, etc., and is supported by scientific evidence to effectively prevent minors from using it;

Strict marketing segregation: restricted to exclusive channels for adults aged 21 and above in the United States, all marketing promotions and product displays targeting teenagers are prohibited

May 8th: FDA releases new enforcement priority guidelines

The FDA has officially released guidelines on enforcement priorities for certain new tobacco products sold without pre-market authorization, replacing the old 2020 version and covering the ENDS e-cigarette and nicotine bag categories.

(1) Core principles

All new tobacco products that have not obtained PMTA marketing authorization are considered illegal sales in the US market; Due to administrative resource constraints, the FDA implements graded priority enforcement and focuses on cracking down on high public health risk products. It temporarily does not give priority enforcement to products that meet compliance requirements and are declared in transit.

(2) The core condition for temporarily not prioritizing law enforcement (must be met simultaneously)

PMTA has been submitted and the application has been accepted and filed by the FDA, and is currently under review;

Or the authorized product has submitted a supplementary sPMTA application, which has been accepted and continuously reviewed for more than 180 days; and

For ENDS products with non tobacco flavors, the FDA has confirmed that the application contains sufficient data to evaluate whether the product is suitable for protecting public health

(3) Priority law enforcement red line (trigger is key strike)

Having strong adolescent attraction characteristics: using cartoon/fictional characters; Disguising as non electronic cigarette products such as food and stationery; Appearance similar to children's toys, mobile phones, game consoles, etc;

There are significant public health risks: high nicotine levels; Serious/concentrated adverse events occur; Not meeting the requirements of child protective packaging regulations; The battery poses a safety hazard of fire and explosion;

Counterfeit products, false reporting of ingredients, and marketing to teenagers.

(4) Transparency mechanism: Publicize the list of "temporarily not enforcing the law"

The FDA will establish a public website list of manufacturers and their related products that the FDA typically does not intend to prioritize enforcement.

This guide not only provides a clear market buffer period for companies that adhere to compliance declaration and are under PMTA review, but also accelerates the market clearance of non compliant and high-risk non compliant products through clear enforcement expectations, further regulating the market order of new tobacco products in the United States.

5. Comprehensive analysis and summary

Reviewing the FDA regulatory policies from March to May 2026, it can be seen that the approval and release of flavored electronic cigarettes only represents an orderly opening of the flavor approval channel, and does not mean a reduction in the PMTA review threshold or a relaxation of FDA regulatory efforts.

The FDA continues its strict supervision and refined grading control approach, always taking public health as the core judgment standard, and categorizing risk levels based on the attractiveness of flavors to young people. The more the flavor audience is biased towards teenagers, the heavier the scientific burden of proof that companies need to bear, and the higher the compliance threshold.

The new version of the Enforcement Priority Guidelines provides a clear policy buffer for companies adhering to the PMTA compliance route, while also delineating clear enforcement red lines. DAR intelligent risk control technology has helped the successful approval of seasoning products, and has also pointed out the compliance direction for the industry: building a bottom line for the protection of minors through technological innovation, while matching the diverse tastes of adult smokers for alternative harm reduction needs, will be the core path for seasoning electronic cigarettes to enter the US market in the future.

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