Learn how much fragrance you can safely add to cosmetics using IFRA Standards, product categories, allergen rules, and CPSR guidance. Discover why there's no universal fragrance percentage and how to calculate safe, compliant usage.
Learn about phototoxic essential oils, why cold-pressed citrus oils can react with sunlight, and how to use them safely in cosmetics with IFRA limits, FCF alternatives, and CPSR guidance.
Learn what an IFRA certificate is, why it matters for fragrance and essential oil safety, and how IFRA Standards support CPSRs, cosmetic compliance, and safe fragrance use in the UK and EU.
Learn how to use essential oils safely in cosmetics. Discover IFRA limits, fragrance allergens, phototoxic oils, sensitisation risks, maximum use levels and CPSR requirements for compliant natural cosmetic products in the UK and EU.
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.
Bath bombs require a CPSR before sale in the UK and EU. Learn how fragrance, colourants, glitter, surfactants, allergens, stability, and variant rules affect cosmetic safety assessments and regulatory compliance.
