Outsource cosmetic testing or keep it in-house? See which tests to run yourself, which need an independent lab, and how to choose a hybrid model.
Read more →Cosmetic testing glossary: plain-English definitions of CPSR, PIF, challenge test, PAO, patch test and more, so you can order the right tests first time.
Read more →Cosmetic compliance case study: follow an illustrative skincare brand from formula to CPSR, tests, label and notification, including a failed challenge test.
Read more →Cosmetic testing explained for brands: which tests your product needs, why, in what order and how long it takes before your CPSR.
Read more →Cosmetic testing without animals: how EU law, ingredient data, in vitro methods, lab tests and human patch tests prove a product is safe.
Read more →Cosmetic safety testing explained: what data the EU safety assessment needs, which parts come from lab tests, and who must provide it.
Read more →Cosmetic quality control testing for batch release: what to check, microbiological limits, who signs off and what to do if a result fails.
Read more →Cosmetic efficacy testing vs safety testing: what each proves, the legal basis, common methods and how to plan both before launch.
Read more →Certificate of analysis for cosmetics: what a CoA shows, raw material vs finished product, required content, ISO 17516 limits and red flags.
Read more →Cosmetic testing lab in Europe for non-EU brands: which tests an EU assessor expects, reusing old reports, shipping samples and timing.
Read more →Why order your cosmetic tests with CTL? Because we make it easy, transparent and fast โ a fully automated online process with free sample pickup.
Read more →Ordering a cosmetic product test, paying, sending samples and getting results is as easy as it can be โ here's the full process, step by step.
Read more →Your CPSR Safety Report and everything you filled in are now in your cart. Go to checkout to complete the order, or carry on adding tests โ your answers stay with this item.
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A challenge test is required for every cosmetic product except microbiologically low-risk ones, which are:
A challenge test is required for every cosmetic product except microbiologically low-risk ones, which are:
Your Safety Data Sheet and everything you filled in are now in your cart. Go to checkout to complete the order, or carry on adding tests โ your answers stay with this item.
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