BLOGS

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 Annex VI regulates cosmetic UV filters, SPF claims, sunscreen testing and nano ingredients to ensure UK and EU sun protection products remain compliant.

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 Annex III restricted cosmetic ingredients work, including concentration limits, leave on and rinse off rules, mandatory warnings and UK/EU compliance requirements

Learn what Annex II of the UK and EU Cosmetic Regulation covers, why banned cosmetic ingredients still appear through contaminants, and how to keep prohibited substances out of your formulations.

Learn how the UK and EU cosmetic ingredient annexes work, including banned substances, restricted ingredients, approved colourants, preservatives and UV filters for compliant formulations.

Learn how to correctly label cosmetic net quantity, batch codes, Responsible Person details and country of origin to meet UK and EU cosmetic labelling requirements.

Learn the mandatory statements every cosmetic label must include, from Responsible Person details and product function to warnings, language requirements and legal labelling rules for UK and EU compliance.

Learn which fragrance allergens must be declared on cosmetic labels, the leave on and rinse off thresholds, the expanded EU allergen rules, and how to correctly label essential oils for UK and EU compliance.

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.

Learn how to create a compliant cosmetic ingredient list using INCI names, the correct ingredient order, the 1% rule, fragrance allergens, CI numbers, and UK/EU cosmetic labelling requirements.