Cosmetic Fragrance Allergens in Canada: How to Identify and Disclose Them

Q: What options are available for small packaging or crowded regulatory panels?

Under Health Canada’s Cosmetic Regulations (SOR/2024-63), when a container or package is too small for a legible ingredient list, the full list (including expanded fragrance allergens) must still be physically accessible to consumers at the point of sale. Permitted alternative methods include disclosing ingredients on an attached tag, tape, or card affixed to the container or package. Furthermore, the updated regulations permit website disclosure for small containers, provided the outer label carries a specific statement directing consumers to that website address. Standalone QR codes or website links without the required explanatory outer label text are not compliant.

September 22, 2026

To identify and disclose cosmetic fragrance allergens in Canada, companies must determine whether a finished cosmetic contains any regulated fragrance allergen, calculate whether each allergen exceeds the applicable leave-on or rinse-off threshold, and list each reportable allergen separately in the ingredient declaration using the required terminology.

In practice, that assessment starts with supplier documentation and raw-material review, not the label alone. Fragrance blends, essential oils, botanical extracts, and other complex ingredients can all contribute allergens that may need to be calculated at the finished-product level before the Canadian label and Cosmetic Notification Form (CNF) are finalized.

How the Food and Drugs Act and Consumer Packaging and Labelling Act Apply

Cosmetic fragrance allergen requirements sit within Canada’s broader cosmetic labelling framework. The Food and Drugs Act establishes the fundamental safety requirement that a cosmetic must not contain a substance that may injure the user under normal or reasonably foreseeable conditions of use. The Cosmetic Regulations build on this framework by establishing specific ingredient-list and fragrance allergen disclosure requirements.

Together, these requirements operate alongside the Consumer Packaging and Labelling Act and its regulations, which apply to prepackaged consumer products, including cosmetics. Collectively, these frameworks govern both what information must appear on cosmetic labels and how that information is presented to consumers.

What Changed Under Canada’s Cosmetic Fragrance Allergen Requirements?

Health Canada’s amended Cosmetic Regulations expand fragrance allergen labelling in phased deadlines: 24 specified allergens require disclosure above threshold starting April 12, 2026, expanding to 81 entries on August 1, 2026, for new cosmetics and August 1, 2028, for existing products.

While aligned with EU Annex III, compliance requires product-specific assessments under Canadian rules and guidance. Given these staggered timelines, companies should quickly map SKUs, distinguish new from existing formulations, and prioritize products needing supplier data, calculations, or artwork updates.

Which Fragrance Allergens Must Be Disclosed in Canada?

Prior to the compliance deadline, companies must determine which regulated fragrance allergens exceed prescribed concentration thresholds in finished cosmetics. Because allergens are frequently present within complex mixtures like Parfum, essential oils, and botanical extracts (such as a rose extract introducing undisclosed Geraniol or Citronellol) evaluating standalone ingredients alone will not reveal a product’s full allergen profile.

To ensure full compliance, companies should thoroughly analyze underlying raw-material compositions through supplier documentation, calculate overall allergen levels, and embed these checks directly into raw material quality control workflows rather than relying strictly on the master formula International Nomenclature Cosmetic Ingredient (INCI) names.

What Are the Fragrance Allergen Disclosure Thresholds?

Regulated fragrance allergens must generally be disclosed when present in the finished product at concentrations greater than:

001% in a leave-on cosmetic, or
01% in a rinse-off cosmetic.

The concentration in the finished formulation determines whether disclosure is required.

For example, if a fragrance blend contains 2% Limonene and represents 1% of the finished cosmetic, the finished product concentration of Limonene is 0.02%. That concentration exceeds both the leave-on and rinse-off disclosure thresholds.

The same calculation should account for cumulative contributions from multiple raw materials. For example, if a leave-on cosmetic receives 0.0006% Linalool from a fragrance blend and 0.0005% Linalool from an essential oil, each individual contribution is below the 0.001% leave-on threshold. Together, however, they contribute 0.0011% Linalool in the finished product, so Linalool would require disclosure.

The assessment therefore depends on two inputs: the concentration of the allergen in the raw material and the amount of that raw material used in the finished formulation.

Why Is Supplier Information Critical to Fragrance Allergen Compliance?

Although suppliers often declare proprietary blends simply as Parfum, manufacturers and importers remain responsible for obtaining detailed quantitative allergen data to meet Canadian disclosure thresholds. Relying on broad designations creates compliance risks, as Health Canada expects companies to maintain complete, up-to-date supplier documentation.

Depending on the material, companies may need:

- - a current fragrance allergen declaration;
  - quantitative allergen information;
  - accurate INCI information;
  - information addressing relevant constituents of essential oils or botanical materials; and
  - confirmation that the documentation corresponds to the current version of the supplied material.

Because a supplier’s internal reformulation can alter a product’s allergen profile without the brand’s knowledge, these supplier records must be systematically integrated into change-control procedures to ensure ongoing compliance.

How Do Brands Calculate Fragrance Allergens in the Finished Product?

To calculate a regulated allergen’s finished product concentration, multiply its concentration in the raw material by that material’s total percentage in the formulation.

For instance, a fragrance blend with 1.5% Linalool used at 2% yields 0.03% Linalool in the finished product ($1.5% x 2% = 0.03%), exceeding the 0.001% leave-on threshold and triggering mandatory label disclosure.

Because individual allergens can enter a formula through multiple sources, such as combining a fragrance blend with essential oils, companies must aggregate all contributions across all raw materials rather than reviewing Parfum in isolation.

Can Existing Packaging Be Corrected Without Reprinting?

Some entries within the expanded fragrance allergen framework capture multiple related substances under a designated group name. For these entries, companies must assess the combined concentration of the substances included within the group. If the combined concentration exceeds the applicable leave-on or rinse-off threshold, the required group name must appear in the ingredient list.

Individual substances may also be included as additional information, where permitted, but listing them does not replace the required group declaration when the applicable threshold has been exceeded.

For example, under the expanded fragrance allergen framework, Citral serves as the designated group name covering two related isomers, Geranial and Neral.

If a leave-on cosmetic product contains 0.0007% Geranial and 0.0005% Neral, neither individual substance triggers disclosure on its own because each remains under the 0.001% (10 ppm) leave-on threshold. However, the regulatory framework requires evaluating their combined group concentration, which totals 0.0012% (0.0007% + 0.0005%).

Because 0.0012% exceeds the 0.001% threshold, the mandatory group name Citral must be listed in the finished product’s ingredient declaration; optionally detailing the individual isomers (e.g., Citral [Geranial, Neral]) is permissible but listing them without the group header Citral does not comply with the regulations.

The assessment therefore needs to consider both individual fragrance allergens and the structure of the regulatory entry under which they fall.

How Should Fragrance Allergens Appear on the Cosmetic Label?

Once disclosure is required, ingredient labels must distinguish between the fragrance mixture (declared as Parfum) and individual regulated allergens, which must be listed separately using official INCI terminology.

Adding multiple new allergen names can significantly alter packaging layout, creating space constraints on small or crowded regulatory panels. Conducting regulatory reviews before finalizing packaging artwork ensures design teams build layouts around accurate, fully approved ingredient declarations, preventing costly artwork revisions later.

Do Fragrance Allergens Need to Be Reported on the Cosmetic Notification Form (CNF)?

Label updates directly impact Health Canada notification obligations. As of April 12, 2026, fragrance allergens exceeding disclosure thresholds must be reported as ingredients in Section 5 of the CNF and flagged accordingly. Specific concentration data is not required solely for exceeding the allergen threshold, though it may still be mandatory if separate Cosmetic Ingredient Hotlist restrictions apply. Because compliance extends beyond packaging, any label changes identified during allergen assessments should automatically trigger a corresponding CNF review.

What Should Companies Do When Supplier Information Is Incomplete?

Incomplete supplier data creates compliance risks for labels and notifications, especially with proprietary fragrance blends. While suppliers may protect confidential formulas, responsible companies must obtain sufficient data to identify regulated allergens and evaluate threshold compliance.

Data gaps should be resolved before finalizing ingredient declarations or artwork through standardized allergen declarations, compositional documentation, or non-disclosure agreements. The goal is not to reveal full proprietary formulas, but to secure enough information to conduct an accurate Canadian allergen assessment.

How Should Existing Cosmetic Portfolios Prepare for the 2028 Deadline?

Addressing data gaps is critical for existing cosmetics, which face an August 1, 2028 compliance deadline. For larger portfolios, brands should conduct a comprehensive portfolio audit of all fragranced or botanical products to evaluate:

- whether current supplier documentation is sufficient;
- which regulated allergens are present;
- whether finished-product concentrations exceed the applicable thresholds;
- which ingredient lists require revision;
- whether corresponding CNFs require updates; and
- which packaging components require new artwork.

Transition timelines should also factor in packaging inventory, manufacturing schedules, and retailer requirements. Finalizing regulatory assessments prior to artwork development provides design teams with confirmed ingredient declarations, preventing costly, repetitive revisions.

How Can Brands Build Fragrance Allergen Compliance Into Product Development?

Integrate fragrance allergen assessments early into new product development and change-control workflows rather than waiting until label approval. Evaluating raw materials, such as fragrances, essential oils, and botanical extracts, upon selection allows regulatory teams to verify supplier documentation and calculate finished product allergen profiles early in the process.

Connecting formulations, supplier data, allergen profiles, ingredient declarations, CNFs, and artwork versions in a central, controlled system ensures seamless tracking. Any raw material or supplier blend changes should automatically trigger a reassessment, preventing costly, reactive label updates across multi-SKU portfolios.

Implications for Cosmetic Manufacturers and Importers

The expanded requirements require manufacturers and importers to embed fragrance allergen compliance into formulation control, supplier qualification, notifications, and artwork development.

Obtaining reliable supplier allergen data prior to finalizing Canadian ingredient declarations is essential, as is establishing robust change controls to trigger reassessments whenever raw materials or fragrance blends are modified.

Managing larger portfolios effectively demands a centralized system to keep formulas, supplier declarations, finished-product calculations, CNF, and packaging artwork synchronized throughout product updates and regulatory transitions.

Final Remarks

Navigating Canada’s updated cosmetic fragrance allergen disclosure requirements demands a proactive, data-driven approach—from thorough supplier documentation and precise concentration calculations to packaging artwork updates and CNF amendments. By integrating allergen assessments early into your raw material quality workflows and product development pipelines, your brand can prevent costly packaging rejections, maintain seamless retail distribution, and build long-term consumer trust in an increasingly transparent market.

How Can SNI Support Cosmetic Fragrance Allergen Compliance

Source Nutraceutical, Inc. (SNI) helps cosmetic manufacturers, importers, and brands navigate fragrance allergen requirements across individual products and entire portfolios.

Our regulatory team handles supplier documentation reviews, finished product calculations, ingredient list updates, CNF amendments, and transition planning. Additionally, SNI Creative Services directly apply approved regulatory updates to packaging artwork, ensuring regulatory and design teams stay fully aligned.

Leveraging over 20 years of consulting experience and 100+ years of collective industry expertise, SNI resolves supplier-data gaps and prepares your portfolio for Canada’s evolving regulations.

Need our support? Contact SNI to discuss your fragrance allergen and cosmetic labelling needs.

Book an introductory call using the following form:

FAQ

What Do the New Requirements Mean for Consumers?

The disclosure requirements give consumers greater visibility into specific fragrance substances that may be relevant to known allergies or sensitivities. Rather than seeing only Parfum in the ingredient list, consumers can identify regulated allergens that exceed the prescribed thresholds and make more informed product choices.

The presence of a disclosed fragrance allergen does not mean that a cosmetic is inherently unsafe. The disclosure requirement is intended to provide ingredient-level information to individuals who may already be sensitized or wish to avoid a particular substance.

What are the Fragrance Allergen Safety Considerations for Consumers?

Certain fragrance ingredients can trigger allergic contact dermatitis in sensitive individuals. Consumers with diagnosed allergies should check ingredient lists for specific INCI names rather than relying on general claims like “natural” or “fragrance-free,” and Health Canada advises consulting healthcare professionals to identify specific substances to avoid.

Because natural origin does not eliminate allergen risks, essential oils and botanical ingredients can contain the same regulated allergens as synthetic fragrances, meaning Canadian disclosure rules apply strictly based on the presence of the substance in the finished product regardless of its source.

What are the Fragrance-Specific Requirements for Cosmetic Labels?

From a fragrance perspective, cosmetic ingredient lists must reflect the finished product’s complete allergen profile rather than just raw-material names. Specifically, declarations must:

Use Parfum for fragrance mixtures where permitted
Separately identify regulated fragrance allergens exceeding disclosure thresholds
Follow required INCI terminology
Account for all allergen sources, including synthetic fragrances, essential oils, and botanicals
Maintain clear, legible presentation under normal conditions of sale and use

How do bilingual English/French labelling rules apply to individual fragrance allergens?

Under Canadian cosmetic regulations, mandatory label information must appear in both official languages (English and French). However, because fragrance allergens must be disclosed using official INCI terminology, a single listing is sufficient if the INCI name is identical in both languages (e.g., Limonene or Linalool). If an INCI standard incorporates English and French translations or common terms (e.g., Water (Eau)), both official language terms must appear on the packaging. Additionally, standard ingredient list section headers (e.g., “Ingredients / Ingrédients”) must remain fully bilingual.

Are exact allergen concentration percentages required to be reported on the Cosmetic Notification Form (CNF)?

While qualifying fragrance allergens exceeding the threshold must be added as individual ingredients in Section 5 of the CNF, disclosing their exact finished-product concentration percentage is generally optional. Explicit concentration data is only mandatory on the CNF if the specific allergen is independently restricted under the Canadian Cosmetic Ingredient Hotlist. This protects proprietary fragrance formulas while ensuring regulatory compliance.

What options are available for small packaging or crowded regulatory panels?

Under Health Canada’s Cosmetic Regulations (SOR/2024-63), when a container or package is too small for a legible ingredient list, the full list (including expanded fragrance allergens) must still be physically accessible to consumers at the point of sale. Permitted alternative methods include disclosing ingredients on an attached tag, tape, or card affixed to the container or package. Furthermore, the updated regulations permit website disclosure for small containers, provided the outer label carries a specific statement directing consumers to that website address. Standalone QR codes or website links without the required explanatory outer label text are not compliant.

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