Prohibited & Restricted4 min read
Formaldehyde Releasers on the Hotlist and Their Limits
The common formaldehyde-releasing preservatives on Canada's Hotlist, their restriction conditions, and why free formaldehyde needs a warning.
July 3, 2026Read
Tagged preservatives
Prohibited & Restricted3 min read
DMDM Hydantoin: Hotlist Limit and Warning Requirement
How DMDM hydantoin's formaldehyde-release mechanism drives its Hotlist restriction and when a label warning is expected.
June 29, 2026Read
Concentration Limits4 min read
Breaking Down a Broad-Spectrum Preservative Blend by Percent
How to split a multi-component preservative blend into its regulated parts for a CNF, with the actual math shown.
June 28, 2026Read
Concentration Limits4 min read
Dehydroacetic Acid Preservative Limits in Practice
How dehydroacetic acid's permitted level works inside common eco-preservative blends, and why the math trips up first-time filers.
June 2, 2026Read
INCI Names & CAS Numbers4 min read
Eco Preservative Blends and Their Component INCI Names
Breaking naturals-leaning preservative blends like Geogard and Leucidal into the actual INCI ingredients a Canadian filing needs.
June 2, 2026Read
Prohibited & Restricted4 min read
Parabens and the Hotlist: What Is Actually Limited
Which parabens carry Hotlist restriction conditions, which remain permitted at standard levels, and where the fear around them outpaces the rules.
April 28, 2026Read
Fragrance Allergens4 min read
Benzyl Alcohol as a Fragrance Allergen and Preservative
Benzyl alcohol does double duty as scent note and preservative, and that overlap changes how you declare it on a label.
April 22, 2026Read
Ingredient Guides4 min read
Benzyl Alcohol: Preservative, Solvent, and Listed Allergen
Benzyl alcohol works as a preservative and solvent but also counts as a fragrance allergen, which changes how it must be disclosed.
April 16, 2026Read
Concentration Limits4 min read
Formaldehyde-Releaser Preservatives and Their Thresholds
Releaser preservatives work by slowly emitting free formaldehyde, and that free formaldehyde level is what triggers a warning requirement.
April 14, 2026Read
Product Categories4 min read
Micellar Water Notifications and Their Deceptively Simple Formula
Micellar water looks like plain water on the label, but its surfactant micelles and preservative system still need full INCI mapping for a Canadian CNF.
April 12, 2026Read
Global Markets4 min read
Why the Same Ingredient Is Banned in One Country Only
Concrete examples of how a single preservative or colorant can be freely used in one market and restricted in another.
March 26, 2026Read
Canada & the CNF4 min read
Declaring Preservatives and Their Levels on Your CNF
How to state preservative concentrations correctly on a Canadian CNF and check them against Hotlist limits before you file.
March 9, 2026Read
Prohibited & Restricted4 min read
Preservatives on the Hotlist: Which Ones Are Capped
Several common cosmetic preservatives are legal in Canada only under a concentration ceiling, and going over it is a filing problem, not just a safety one.
March 7, 2026Read
Concentration Limits4 min read
Benzyl Alcohol as a Preservative Versus a Fragrance Note
Benzyl alcohol does two different jobs in a formula, and which one it's doing changes how you justify its percentage on a filing.
March 4, 2026Read
Ingredient Guides4 min read
Parabens in Canada: Methylparaben Limits and Hotlist Status
Which parabens remain permitted in Canada, their INCI and CAS identity, and how single and total concentration limits work.
February 28, 2026Read
Concentration Limits4 min read
Methylisothiazolinone Rinse-Off Limits You Should Know
MIT's rinse-off restriction is tighter than most preservatives, and leave-on use is effectively unworkable. Here is what soap and wash makers need to check.
February 14, 2026Read
Product Categories4 min read
Mascara Preservatives and Eye-Area Rules on a Notification
What to check on preservatives and colorants before you file a mascara notification, and why eye-area products get extra scrutiny.
February 13, 2026Read
Australia (AICIS)4 min read
How AICIS Handles Preservatives in Your Cosmetics
AICIS treats cosmetic ingredients as industrial chemicals, which changes how your preservative's Inventory status and use conditions get checked.
February 9, 2026Read
Concentration Limits4 min read
Reading the Active Percent Out of a Premade Base
How to work out the real concentration of actives and preservatives already inside a ready-made lotion or cream base before you add anything.
January 23, 2026Read
INCI Names & CAS Numbers3 min read
Phenoxyethanol Blends and the CAS Behind Each Part
Breaking phenoxyethanol-plus-paraben and phenoxyethanol-plus-EHG preservative blends into named INCI components with CAS numbers.
January 13, 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