Every cosmetic product sold in Canada must comply with the Cosmetic Ingredient Hotlist — a federal list of ingredients that are either outright prohibited or restricted to specific product types and concentrations. Most consumers have never heard of it. Here's what it actually means for the products in your bathroom cabinet.
The Cosmetic Ingredient Hotlist is published by Health Canada under the authority of the Food and Drugs Act and the Cosmetic Regulations. It is a living document — updated when new safety evidence emerges — that tells manufacturers which ingredients they cannot legally include in cosmetics sold in Canada.
It covers two types of restrictions:
Ingredients that cannot be used in any cosmetic product sold in Canada under any circumstances.
Ingredients permitted only in specific product types (e.g. rinse-off only), only below a maximum concentration, or only with mandatory warning labels.
Important: The Hotlist applies to all cosmetics sold in Canada — including products manufactured abroad and imported for sale. A product legal in the US or EU is not automatically legal here.
Health Canada's Consumer Product Safety Directorate oversees cosmetic compliance. Manufacturers and importers are legally required to notify Health Canada before selling a cosmetic product (via a Cosmetic Notification Form), and that notification must accurately reflect the product's ingredients.
Retailers are generally not responsible for manufacturer compliance — but Health Canada can order recalls and pull non-compliant products from shelves. Fines and legal action can follow for serious violations.
Formaldehyde itself is tightly restricted (≤0.1% in most products). More commonly, you'll encounter it through formaldehyde-releasing preservatives — ingredients that slowly release formaldehyde over time as they break down in the product. These include DMDM hydantoin, imidazolidinyl urea, diazolidinyl urea, quaternium-15, and bronopol. All are restricted under the Hotlist.
Watch for on labels: DMDM Hydantoin, Imidazolidinyl Urea, Diazolidinyl Urea, Quaternium-15, Bronopol, 2-Bromo-2-Nitropropane-1,3-Diol
Methylisothiazolinone (MIT) and methylchloroisothiazolinone (MCI) are potent preservatives that became widely used after parabens fell out of favour with consumers. Health Canada has since restricted both: they are prohibited in leave-on products (moisturizers, serums, creams) and restricted to very low concentrations in rinse-off products (shampoos, body wash). The European Union banned MIT in leave-on products in 2016 for the same reasons.
Hydroquinone is restricted to ≤1% in OTC cosmetics in Canada. Higher concentrations require a prescription. Kojic acid — a natural alternative increasingly used in brightening serums — is restricted to ≤1%. Both are associated with contact sensitization at higher concentrations and, in the case of hydroquinone, potential skin discolouration with prolonged misuse.
Dibutyl phthalate (DBP), diethylhexyl phthalate (DEHP), and dimethyl phthalate (DMP) are prohibited or strictly limited in Canadian cosmetics under both the Hotlist and CEPA (Canadian Environmental Protection Act). These were once common as plasticizers in nail polish and fixatives in fragrance. Most reputable brands reformulated years ago, but they can still appear in products manufactured in jurisdictions with looser standards.
p-Phenylenediamine (PPD) — the primary colourant in most permanent hair dyes — is restricted to ≤6% and requires mandatory warning labels. Resorcinol, used as a coupler in oxidative dyes, is restricted to ≤0.5%. Both are well-documented contact allergens; the labelling requirements exist so consumers can identify them and perform patch tests.
Triclosan is restricted to ≤0.3% in OTC antiseptic products and prohibited in most rinse-off consumer cosmetics. Concerns centre on antimicrobial resistance and environmental persistence, not direct skin safety. It was once ubiquitous in antibacterial hand washes and toothpastes; most brands have since removed it.
The EU's Cosmetics Regulation (EC 1223/2009) is widely considered the most comprehensive in the world, prohibiting over 1,300 ingredients. The US FDA takes a lighter-touch approach — many ingredients restricted in Canada and the EU remain unrestricted in the United States.
Canada's Hotlist sits somewhere in between: more protective than the US, but less comprehensive than the EU. Canada also tends to adopt EU restrictions with a lag of several years, which means a product currently compliant in Canada may already be restricted elsewhere.
Practical implication: If you're buying cosmetics online from US retailers, the product may contain ingredients restricted or prohibited in Canada. This is a compliance grey area for individual consumers, but worth knowing if you have sensitive skin or specific concerns.
Read the ingredient list (INCI names). Canadian law requires all cosmetics to display ingredients using standardized INCI (International Nomenclature of Cosmetic Ingredients) names. The list is ordered from highest to lowest concentration.
Cross-reference against the Hotlist. Check Health Canada's official Hotlist — or use our Ingredient Safety Reference for a plain-English summary of the most commonly flagged ingredients.
Scan the barcode with SkinCompass. The app flags restricted and caution ingredients instantly, so you can make an informed decision in-store rather than researching at home.
The current Hotlist is published on the Health Canada website and updated periodically. It is the authoritative source — this page is a plain-English summary for educational purposes only.
→ View the official Health Canada Cosmetic Ingredient Hotlist ↗
Disclaimer: This article is for educational purposes only and does not constitute regulatory or medical advice. Consult the official Health Canada Cosmetic Ingredient Hotlist for current compliance requirements. Regulations change; this page reflects publicly available information as of 2026.
SkinCompass flags Hotlist-restricted ingredients the moment you scan a barcode.