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

Learn how Annex V cosmetic preservatives work, which products need preservation, when challenge testing is required, and how to choose a compliant preservative system for UK and EU cosmetics.

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.