| Market and product classification | Destination country, nicotine status, disposable or reusable format, and intended use. | Classify the product under the rules of the country where it is supplied. A nicotine-containing vape may be regulated as a tobacco or nicotine product even when it contains no tobacco leaf. | Fruit, dessert, beverage, mint, and candy profiles can receive additional scrutiny where rules restrict characterising flavours or youth-oriented presentation. | Written market-classification memo and destination-market legal review. | High |
| Ingredient legality | Complete formula, carrier liquids, flavour concentrates, nicotine, sweeteners, colours, and processing aids. | Screen every ingredient against the destination market’s prohibited-substance and tobacco-product rules. “Food grade” or “GRAS” status does not automatically establish safety or legality for inhalation. | Ingredients associated with candy, energy drinks, supplements, or medicinal claims may create additional regulatory concerns. | Full ingredient list, supplier specifications, certificates of analysis, and intended-use statements. | High |
| Inhalation suitability | Whether each flavouring substance has an appropriate toxicological assessment for the intended inhalation exposure. | Do not rely solely on oral-use safety data. Review thermal-degradation products and avoid substances known to present inhalation concerns, including certain reactive flavouring chemicals. | Butter, cream, cinnamon, spice, and strongly acidic profiles require enhanced toxicological and thermal-degradation review. | Inhalation toxicology assessment, thermal-emissions data, and formulation safety statement. | High |
| Nicotine limits | Nicotine strength, total nicotine volume, refill capacity, and product configuration. | In the European Union, the Tobacco Products Directive framework caps nicotine liquid at 20 mg/mL, limits refill containers to 10 mL, and generally limits cartridges or tanks to 2 mL. National rules may be stricter. | High-strength fruit or sweet flavours may be commercially attractive but cannot exceed the applicable nicotine limit. | Independent nicotine assay, batch records, fill-volume records, and product technical file. | High |
| EU flavour restrictions | Country-specific rules layered on top of the EU baseline. | EU Member States may introduce additional restrictions. For example, some markets have restricted or prohibited non-tobacco flavours, while others apply national notification or presentation rules. | Fruit, menthol, mint, dessert, beverage, and candy flavours should be screened separately for each Member State rather than treated as one EU-wide category. | Country-by-country legal matrix and confirmation of product notification status. | High |
| United Kingdom considerations | Product format, nicotine strength, packaging, notification, and the UK’s evolving disposable-vape framework. | UK nicotine products must meet applicable product-safety, notification, packaging, and labelling requirements. Disposable vape restrictions and wider tobacco-control reforms make format and timing especially important for 2026 planning. | Flavour names and imagery should not be designed to appeal particularly to children or imply confectionery, soft drinks, or youth culture. | UK compliance review, notification evidence, packaging artwork approval, and supply-chain records. | High |
| United States market access | Premarket authorization status, state restrictions, and product-specific regulatory pathway. | In the United States, new tobacco products generally require authorization before lawful marketing. A flavour formula is not legally marketable merely because its ingredients are common or available elsewhere. | Flavoured products face heightened federal and state scrutiny. Some jurisdictions prohibit flavoured tobacco products, including flavoured electronic nicotine products. | Product-specific authorization evidence, state-law review, ingredient disclosure, and marketing records. | High |
| Flavour naming and descriptors | Product name, flavour description, graphics, colours, and promotional wording. | Use objective, non-misleading descriptions. Avoid health, therapeutic, wellness, energy, performance, or cessation claims unless specifically permitted and substantiated. | Terms such as “candy,” “gummy,” “energy,” “vitamin,” “fresh breath,” or “healthy” may increase youth-appeal or misleading-claim risk. | Approved claims matrix, artwork sign-off, substantiation file, and advertising review. | Medium |
| Packaging and health warnings | Nicotine warning, contents, strength, batch number, manufacturer or importer details, and required safety statements. | Labelling must match the destination market’s language, warning format, minimum size, placement, and information requirements. Packaging should not obscure mandatory warnings with flavour graphics. | Bright colours, cartoon imagery, fruit characters, and dessert imagery can create youth-appeal concerns even when the ingredient formula is compliant. | Final multilingual artwork, packaging dimensions, warning verification, and batch traceability procedure. | High |
| Ingredient and emissions testing | Nicotine concentration, carbonyls, metals, volatile compounds, and flavour-related emissions. | Testing should reflect the finished device and actual operating conditions, not only the flavour concentrate. Results should be linked to a defined production batch. | Complex profiles with multiple flavour chemicals may produce different emissions after heating than the original liquid analysis suggests. | Accredited laboratory reports, method details, limits of quantification, and finished-product samples. | High |
| Supply-chain traceability | Raw-material origin, lot numbers, formulation version, manufacturing site, and importer records. | Maintain records that allow each flavour batch to be traced from raw materials through finished products and distribution. Change control is required when a flavour, supplier, device, or nicotine source changes. | Substituting a flavour concentrate or sweetener without reassessment can invalidate previous safety, labelling, or notification documentation. | Approved-supplier list, certificates of analysis, change-control log, batch records, and recall procedure. | Medium |
| Import and release controls | Customs documentation, product registration or notification, age controls, and destination-market distribution permissions. | Do not ship until the importer has confirmed that the product, flavour, packaging, and nicotine level are permitted in the destination market and that required filings are complete. | A flavour may be legal in one country but blocked at import or retail level in another because of national flavour, disposable-product, or presentation restrictions. | Import checklist, regulatory release approval, age-verification process, and distribution authorization. | High |
| 2026 approval decision | Final go/no-go decision for each flavour and market combination. | Approve only when the formula, device, nicotine level, claims, label, packaging, notification or authorization status, and supply-chain evidence are aligned for the specific market. | Do not use a single “globally compliant” flavour list. Maintain separate approvals for tobacco, menthol, mint, fruit, dessert, beverage, and candy-style profiles. | Signed compliance checklist, legal opinion or review, technical file, and periodic revalidation date. | Control |