BLOGS

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.

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.

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.

Learn which cosmetic tests are required for UK and EU compliance, including stability testing, challenge testing, microbiological testing, SPF testing and CPSR requirements.

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.

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.