Prohibited & Restricted3 min read
What the Cosmetic Ingredient Hotlist Actually Governs
A plain look at what Health Canada's Hotlist is legally, what it isn't, and why it can quietly sink a notification you thought was clean.
January 29, 2026Read
Prohibited & Restricted
The Cosmetic Ingredient Hotlist and how a single entry can stop a filing.
Prohibited & Restricted4 min read
Thioglycolic Acid in Relaxers and Perms: Hotlist Rules
The concentration and pH conditions that govern thioglycolates in waving and straightening products under Canada's Cosmetic Ingredient Hotlist.
January 26, 2026Read
Prohibited & Restricted3 min read
Hotlist vs the FDA's Prohibited and Restricted List
A US-compliant cosmetic formula can still fail in Canada. Here is how the Hotlist and the FDA's restricted ingredient rules actually differ.
January 25, 2026Read
Prohibited & Restricted4 min read
Selenium Sulfide and Anti-Dandruff: A Hotlist Boundary
Why selenium sulfide anti-dandruff formulas rarely qualify as cosmetics under Health Canada's rules, and where the Hotlist draws that line.
January 25, 2026Read
Prohibited & Restricted4 min read
Kojic Acid on the Hotlist: Limit and Conditions
Kojic acid is restricted, not banned, on Canada's Hotlist. What the concentration limit means for brightening formulas and how to file around it.
January 23, 2026Read
Prohibited & Restricted4 min read
How the Hotlist Connects to the Fragrance Allergen Lists
Why the Cosmetic Ingredient Hotlist and the new mandatory allergen lists are two separate checks that both apply to fragrance.
January 15, 2026Read
Prohibited & Restricted4 min read
Run a Hotlist Check Before You Buy a Fragrance Oil
A pre-purchase workflow for soap and candle makers to screen a fragrance oil's allergens and restricted components before committing.
January 15, 2026Read
Prohibited & Restricted4 min read
Hair Dye Ingredients and Their Hotlist Restrictions
How oxidative and direct hair dye substances are treated on Canada's Cosmetic Ingredient Hotlist, plus the warning statements they typically require.
January 13, 2026Read
Prohibited & Restricted4 min read
A Worked Example: Passing One Restricted Entry Correctly
A step-by-step walkthrough of taking a flagged Hotlist ingredient through concentration math to a clean Canadian notification.
January 12, 2026Read
Prohibited & Restricted4 min read
Hotlist Entries That Catch Handmade Soap Makers Off Guard
The specific restricted and prohibited substances that show up more often in cold-process and melt-and-pour soap than makers expect.
January 12, 2026Read
Prohibited & Restricted3 min read
Phenoxyethanol: Its Limit and Status on the Hotlist
What phenoxyethanol's actual Hotlist restriction says, and why the common belief that it is banned in Canada is wrong.
January 12, 2026Read
Prohibited & Restricted4 min read
Why the Hotlist Check Comes Before Any Other CNF Step
The case for running a Cosmetic Ingredient Hotlist screen first, before packaging, labels, or CNF paperwork, since it can force reformulation.
January 12, 2026Read
Prohibited & Restricted4 min read
When an INCI Name Hides a Hotlist Substance
A pretty botanical name on a supplier spec sheet can still resolve to a restricted or prohibited substance once you trace it to its real INCI identity.
January 8, 2026Read
Prohibited & Restricted4 min read
Do Hotlist Changes Apply to Products Already on Sale?
What happens to a product already on shelves when Health Canada updates the Cosmetic Ingredient Hotlist, and how fast you actually need to act.
January 4, 2026Read
Prohibited & Restricted4 min read
Essential Oils That Trigger Hotlist Concentration Limits
Why natural and artisan brands are often the most surprised by Health Canada Hotlist restrictions, since essential oils carry the same rules as synthetic ingredients.
January 3, 2026Read