When the SDS and TDS Give Different Numbers, Which Wins
An SDS and a technical data sheet from the same supplier can list different concentrations for the same ingredient. Here is which one to trust for a filing.
An SDS and a technical data sheet from the same supplier can list different concentrations for the same ingredient. Here is which one to trust for a filing.
Part A of the Cosmetic Product Safety Report needs specific data points before a signed assessment is possible. Here is the checklist.
A handful of popular soap-scenting essential oils carry hotlist restrictions or allergen loads worth checking before your next batch.
Glycolic and salicylic exfoliants file as cosmetics in Canada, but the wording on your label decides whether they stay that way.
Private label deals blur who files the notification. Here is how to figure out, market by market, whose name actually goes on it.
Balms, oils, and anhydrous serums skip most microbial testing because water is what microbes need. Here is what still applies to them.
Glycolic and lactic acid sit on Canada's Hotlist with conditions attached to concentration and pH, not a flat ban or free pass.
Saying your serum treats acne, not just oily skin, can shift it out of cosmetic territory entirely. Here is where that line sits.
Canada's CNF and the EU's CPNP both notify a cosmetic, but the deadline, the reviewer, and the paperwork behind each look nothing alike.
A 12-shade foundation launch does not automatically mean 12 filings. What actually decides is the colorant math, not the shade count.
A customer's mild redness and a customer's hospital visit are not the same reporting event under MoCRA. Here is the concrete difference.
Sodium lactate and lactic acid look related on a supplier spec sheet, but they file as two different INCI names with two different CAS numbers.
A screen-by-screen account of registering a cosmetics facility for the first time, including where new filers typically get stuck.
What actually changes for an Etsy soap or skincare shop once orders start arriving from Canadian buyers instead of only US ones.
Why every MoCRA-covered cosmetic label needs a real domestic address, phone number, or electronic contact, and what actually satisfies it.
A wholesale buyer asking for an SDS and a retailer asking for a notification number want two completely different documents. Sending the wrong one stalls the deal.
A line-by-line decode of the vendor onboarding questionnaire retailers send cosmetic brands, so you answer it correctly the first time.
What benzoic acid actually does in a formula, its CAS number, and how the Hotlist concentration cap shapes its practical use.
Why elevated-temperature stability testing can predict a formula's shelf life without waiting a full year for real-time data.
Why a formula that's perfectly legal in Canada or the US can still fail in Japan, and how positive-list thinking differs from restricted lists.
How CI colour index naming works for makeup pigments and why shade ranges rely on the may-contain labeling convention.
How descending-concentration ordering works on a soap label and where the below-1-percent grouping rule actually kicks in.
How azelaic acid's INCI name, CAS 123-99-9, and the claim you attach to it decide whether you're filing a CNF or a drug submission.
Sorting out who actually files the Cosmetic Notification Form when a contract manufacturer makes your product under your brand.