Cosmetic Testing: Cosmetic compliance guides
Plain-English guides to UK, EU and US cosmetic rules: safety reports, notifications, labelling, ingredients and shelf life. Written and checked by qualified safety assessors.
Cosmetic Testing
CPSR & Safety ReportsCosmetic Microbiological Testing Explained (UK & EU)
Learn how cosmetic challenge testing proves your preservative system works, when ISO 11930 testing is required, and why it is essential for water-based products and CPSR compliance.
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CPSR & Safety ReportsThe Cosmetic Challenge Test (Preservative Efficacy) Explained
Learn how cosmetic challenge testing proves your preservative system works, when ISO 11930 testing is required, and why it is essential for water-based products and CPSR compliance.
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CPSR & Safety ReportsCosmetic Stability Testing Explained (UK & EU)
Learn how cosmetic stability testing determines shelf life, supports PAO and best-before dates, and ensures your product remains safe, effective and compliant throughout its intended lifespan.
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CPSR & Safety ReportsDo Cosmetics Need Lab Testing? (UK & EU Guide)
Learn which cosmetic tests are required for UK and EU compliance, including stability testing, challenge testing, microbiological testing, SPF testing and CPSR requirements.
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Product Information FileHow Much Does a CPSR Cost in the UK & EU? (2026 Price Guide)
Learn how much a CPSR costs in the UK and EU, what affects pricing, when laboratory testing increases costs, how variants reduce fees, and what should be included in a professional Cosmetic Product Safety Report.
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CPSR & Safety ReportsIs a CPSR a 'Test'? The CPSR Test Myth Explained
Many brands search for a “CPSR test,” but a CPSR is not a lab test. It is a qualified safety assessment that may rely on stability, challenge, microbiological, or other test results to prove a cosmetic product is safe and compliant.
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Assessor-signed CPSR, PIF and UK/EU notification for your cosmetic, from £75 per product.