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Ingredients & Allergens: 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

Ingredients & Allergens

Cosmetic products for CPSR safety assessment and children's cosmetics compliance. CPSR & Safety Reports
10 octobre 2026 12 min read

CPSR for Baby and Children's Cosmetics: What Changes for Products Used on Under Threes, and How to Design a Range That Passes

Discover how baby and children's cosmetics require stricter CPSR assessments, including infant exposure calculations, microbiological limits, ingredient restrictions, fragrance safety, labelling requirements and evidence-backed claims to ensure compliance in the UK and EU.

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US UK and EU cosmetics rules comparison for brands selling in both markets Ingredients & Allergens
7 octobre 2026 13 min read

US vs UK and EU Cosmetics Rules: A Side-by-Side Guide for Brands Using Cosmetic Compliance UK EU

UK, EU and US cosmetic rules differ in safety assessments, registration, ingredients, labelling and claims. Learn what UK/EU brands can reuse under MoCRA, where US requirements differ, and how to prepare compliant products for the American market.

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INCI names and CAS numbers for perfumery materials compliance documentation Fragrance & IFRA
6 octobre 2026 12 min read

How Do I Find INCI Names and CAS Numbers for Perfumery Materials and Document Them for Compliance?

Learn how to correctly identify cosmetic ingredients using INCI names and CAS numbers. Discover where to find and verify them, how to document fragrance oils, essential oils and aroma chemicals, avoid common naming errors, and build an ingredient register for CPSR and PIF compliance.

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Woman comparing hair care products and shampoo while evaluating cosmetic product claims and ingredients. Consumer Guides
5 octobre 2026 11 min read

How Can I Tell If a Hair Care Product's Ingredients Are Just Marketing Claims? Which Hair Care Claims Are Testable, Which Are Regulated and Which Are Noise

Learn how to separate real hair care benefits from marketing claims. Discover how ingredient levels, performance testing, salon positioning, plant-based claims and absence claims affect what a cosmetic product can honestly say.

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