Reading Annex II: The EU List of Banned Ingredients

Every maker eventually hits the moment where they need to check whether an ingredient is actually allowed somewhere, and if the market in question is the EU, that search usually lands on Annex II of Regulation (EC) No 1223/2009. It's a genuinely useful document once you know how to navigate it, and genuinely confusing the first few times you try.

What Annex II actually is

Annex II is the list of substances prohibited in cosmetic products within the EU, attached to the main cosmetics regulation, Regulation 1223/2009. It's one of several annexes to that regulation, each serving a different function (Annex II is the prohibited list, other annexes cover restricted substances with specific limits, permitted colorants, permitted preservatives, and permitted UV filters, each with their own conditions). When people say "check Annex II," they specifically mean checking against the flat-out prohibited list, not the broader restricted-substances universe, which lives elsewhere in the regulation's other annexes.

How to actually search it for your ingredient

The practical difficulty with Annex II isn't conceptual, it's mechanical. It's a long list, organized by entry number, and searching it by INCI name doesn't always match cleanly against how an entry is worded, since some entries are written as chemical names, some as substance classes, and some reference CAS numbers directly.

A workable approach:

1. Start with your ingredient's CAS number, not just its INCI name. CAS numbers are unambiguous where INCI names or common names can have variants, and Annex II entries frequently reference CAS numbers alongside the descriptive name.
2. Check whether the entry covers a specific substance or a broader class. Some Annex II entries prohibit a single defined molecule. Others prohibit an entire category (for example, certain classes of related compounds), which can catch an ingredient that doesn't share an exact name but does share the prohibited chemical structure.
3. Confirm you're looking at the current version. Annex II gets amended over time as new entries are added, and working from an outdated copy is a genuine risk. Always check against the live, current EU source rather than a cached PDF from a few years back.
4. Don't stop at Annex II if your ingredient clears it. A substance not on the prohibited list may still appear in one of the restricted-substance annexes with a concentration cap or use condition attached, which is a different kind of limitation than an outright ban.

How this compares to Canada's Hotlist

Canada's equivalent tool is the Cosmetic Ingredient Hotlist, which serves a similar screening purpose but isn't a line-by-line match with Annex II. A few real differences worth understanding:

• Different legal status. The Hotlist is Health Canada's administrative guidance tool for identifying substances that are prohibited or restricted under the Cosmetic Regulations. Annex II is a formal annex to a binding EU regulation. They achieve similar practical outcomes (telling you what you can't use) but sit in different legal architectures.
• Not identical substance coverage. An ingredient prohibited in the EU under Annex II is not automatically on Canada's Hotlist, and vice versa. The two systems developed somewhat independently, even though there's meaningful overlap for well-known problem substances. Always check both separately if you're selling into both markets. Don't assume clearing one clears the other.
• Different restricted-substance structure. Canada's Hotlist includes both prohibited and restricted entries in one consolidated reference. The EU splits prohibited (Annex II) from restricted-with-conditions (other annexes) as separate documents.

A practical example of why this matters

Imagine you're formulating a product for both the Canadian and EU markets using an ingredient that happens to be capped at a certain concentration in the EU's restricted-substance annex but sits on Canada's Hotlist as an entirely different kind of restriction, or isn't flagged in Canada at all. Formulating to the EU's concentration cap doesn't automatically mean you're clear in Canada, and formulating to clear Canada's Hotlist doesn't automatically mean you've satisfied the EU's restriction. Each market's list has to be checked on its own terms, ingredient by ingredient.

This is really the core challenge of selling into multiple markets: it's not one master prohibited list you check once, it's several independent lists, each maintained by a different regulator, each capable of updating on its own schedule. Cosmetic Comply's screening currently runs against Canada's Hotlist with a confidence score per ingredient, checked by a real reviewer before filing, with EU support (which will need to account for Annex II and the related restricted-substance annexes) on the way. If you're formulating with an eye toward eventually selling into both Canada and the EU, it's worth checking your ingredient list against both lists independently now, rather than assuming clearance in one market travels with you to the next.