ISOBUTYLPARABEN
ISOBUTYLPARABEN
Isobutylparaben is a synthetic preservative used in cosmetic formulations to prevent the proliferation of microorganisms.
PreservativeProhibited in the EUEndocrine disruptor
Ingredient
Roles & functions
Preservative — Limits the growth of micro-organisms to preserve the product.
Regulatory framework
What the authorities say
| Authority | Status |
|---|---|
| Commission européenne (CosIng, Règl. 1223/2009) | Interdit (Annexe II) — Isobutyl 4-hydroxybenzoate (INCI: Isobutylparaben) /Sodium salt or Salts of Isobutylparaben |
| Endocrine Disruptor Lists (autorités UE, edlists.org) — maj Fri, 07 Aug 2026 16:37:31 GMT | Perturbateur endocrinien — confirmé |
| ECHA — Candidate List of substances of very high concern (SVHC, REACH Art. 59) — maj Fri, 17 Jul 2026 12:03:10 GMT | Identified as SVHC on the basis of endocrine disruptor — Candidate list since January 17, 2023 |
| CLP classification (Reg. 1272/2008) | No CMR classification |
| European Commission (Reg. 1223/2009, Annex III) | No cosmetic allergen subject to mandatory labelling |
| European Commission (EU catalogue of nanomaterials, Reg. 1223/2009) | No referenced nanoform |
| European Commission — Annex II (Reg. 1223/2009) — maj Fri, 07 Aug 2026 16:37:22 GMT | Prohibited in cosmetics (Annex II) — Isobutyl 4-hydroxybenzoate (INCI: Isobutylparaben) /Sodium salt or Salts of Isobutylparaben — Annexe II, entrée 1375 |
Last verified :
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This information is reported factually and with attribution (authorities and publications cited). It does not constitute medical advice, for your situation, ask a pharmacist or a healthcare professional for advice.
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