Stability 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.
Stability Testing
CPSR for Hand Cream (UK & EU Guide)
Learn how to sell handmade hand creams legally in the UK and EU. Discover why water-based emulsions require preservation, challenge testing, a CPSR, compliant labelling, and the key compliance steps every cosmetic maker should follow.
Read article
CPSR & Safety ReportsThe PAO Symbol & Best Before Dates on Cosmetics Explained
Learn the difference between the PAO (open-jar) symbol and the best-before date on cosmetic labels. Understand the 30-month rule, shelf life requirements, stability testing, and UK/EU cosmetic labelling compliance.
Read article
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.
Read article
CPSR & Safety ReportsCPSR for Body Butter & Body Oils: The UK & EU Guide
Body butters and body oils need a CPSR before sale in the UK and EU. Learn how anhydrous, leave-on formulations are assessed, including fragrance limits, stability, allergens, antioxidants, and key cosmetic compliance requirements.
Read article
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.
Read articleNeed your product checked by a safety assessor?
Assessor-signed CPSR, PIF and UK/EU notification for your cosmetic, from £75 per product.