Guides and insights on cosmetic testing & EU compliance.
Cosmetic packaging compatibility explained: migration, sorption and leakage risks, how the test works and how to choose a pack that suits your formula.
Read more →Cosmetic shelf life and PAO explained: what each label means, which one the EU requires, and how to support the period you print with data.
Read more →Stability test cost for cosmetics: what drives it, the hidden costs of delays and retests, and how to budget the right plan without paying twice.
Read more →Cosmetic patch test explained: how a 48-hour patch test works, whether EU law requires it and which skin-tolerance claims it can support.
Read more →A dermatologically tested claim needs supervised skin-compatibility evidence. See what regulators expect, which tests work and how to document it.
Read more →Patch test cost for cosmetics depends on design, products, panel and report. See what drives it and the timeline from sample pickup to signed report.
Read more →EU approved preservatives for cosmetics are listed in Annex V. Learn how the positive list works, the main groups and what to check before you formulate.
Read more →Natural cosmetic preservatives: what the EU allows, which nature-identical options work, why extracts fall short and how to prove protection.
Read more →How to choose a preservative system for cosmetics: product facts, Annex V, spectrum, pH, packaging and the challenge test that proves it.
Read more →The fragrance allergens EU list has grown well beyond 26 substances. See what must be named on the label, the thresholds and the 2026 and 2028…
Read more →Cosmetic label requirements in the EU explained: name and address, content, durability, batch, precautions and ingredients. A practical checklist.
Read more →INCI list rules for EU cosmetics: order by weight, the 1% rule, colourants, fragrance, plant names and nanomaterials. A step-by-step guide.
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:
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