OXYQUINOLINE
OXYQUINOLINE
Oxyquinoline is a synthetic molecule used in cosmetics as a preservative and chelating agent. It acts by preventing the degradation of formulations and neutralizing undesirable metal ions.
PreservativeChelatingRestricted useCMR-classified
Ingredient
Roles & functions
Preservative — Limits the growth of micro-organisms to preserve the product.
Chelating — Binds metal ions to stabilise the formula.
Regulatory framework
What the authorities say
| Authority | Status |
|---|---|
| Commission européenne (CosIng, Règl. 1223/2009) | Autorisé sous conditions — Hydroxy-8-quinoline and its sulphate bis(8-hydroxyquinolinium) sulphate, except for the uses of the sulphate provided for in entry 51 of Annex III |
| Classification CLP harmonisée (ECHA, Annexe VI Règl. 1272/2008) — maj Fri, 07 Aug 2026 16:37:29 GMT | Reprotoxique — confirmé |
| ECHA — endocrine disruptor (human health) | Not identified as an endocrine disruptor |
| ECHA — Candidate List (SVHC, REACH Art. 59) | Not on the Candidate List (SVHC) |
| 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 except under conditions (Annex II) — Hydroxy-8-quinoline and its sulphate bis(8-hydroxyquinolinium) sulphate, except for the uses of the sulphate provided for in entry 51 of Annex III — Annexe II, entrée 395 |
Last verified :
🔒
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.
A question about this ingredient?
Lou answers you and looks at your products with you, in store.