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Cosmetic Labelling Requirements: 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

Cosmetic Labelling Requirements

June 23, 2026 7 min read

CPSR Part B Explained: Inside the Cosmetic Product Safety Assessment

Learn what CPSR Part B is, how safety assessors determine cosmetic safety, calculate Margin of Safety (MoS), apply label warnings, and issue the final approval required for UK and EU cosmetic compliance

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