Phoenix compliance insights

Period After Opening: 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.

Reviewed by safety assessorsUK, EU and US rulesUpdated regularly

Period After Opening

The PAO Symbol & Best Before Dates on Cosmetics Explained

CPSR & Safety Reports

11 juli 2026 4 min read

Het PAO-symbool en de houdbaarheidsdata op cosmetica uitgelegd

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.

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