Guides and insights on cosmetic testing & EU compliance.
Cosmetic transport stability test: what heat, cold, vibration and drops do to your product and pack, which tests simulate shipping and how to document it.
Read more →Patch test results for cosmetics explained: how irritation scores are graded, what a pass looks like and what to do when volunteers show a reaction.
Read more →Natural cosmetics skin reaction: why plant ingredients can irritate or sensitise, which ones cause trouble and how to formulate, test and label safely.
Read more →Cosmetic skin reaction complaint: a step-by-step way to reply, collect facts, assess causality, decide on reporting and fix the product.
Read more →Salicylic acid cosmetics regulation in the EU: preservative vs active use, typical limits, conditions, the SCCS opinion on children and what to test.
Read more →Vitamin C serum stability explained: why ascorbic acid browns, how pH and packaging help, and which stability, challenge and safety tests you need.
Read more →Hyaluronic acid cosmetics: what to check on safety, which claims hold up, and why water-rich gels and serums need preservation and stability testing.
Read more →CBD cosmetics EU: how the Cosmetics Regulation treats cannabis ingredients, what the SCCS opinion says on safe levels and what brands should document.
Read more →Titanium dioxide cosmetics regulation: Annex VI rules for titanium dioxide and zinc oxide, nano forms, inhalation limits on sprays and powders, and tests.
Read more →Cosmetic label function: when Article 19 requires you to state what the product is for, when it is clear from presentation, and how to word it…
Read more →Cosmetic label warnings explained: which precautions are mandatory in the EU, where the wording comes from and how to check your label before printing.
Read more →Eco claims for cosmetics under Directive (EU) 2024/825: which green wording is now risky, what evidence you need and how to rewrite your pack and website.
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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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