Benzethonium chloride
Benzethonium chloride
Benzethonium chloride is a synthetic compound used in cosmetics as a surfactant, preservative, and masking agent. It is used in formulations to reduce surface tension, preserve product stability, and mask certain odors or sensory characteristics.
SurfactantPreservativeRestricted use
Ingredient
Roles & functions
Surfactant — Lowers the tension between two surfaces; cleanses and helps remove impurities.
Preservative — Limits the growth of micro-organisms to preserve the product.
Masking — Reduces or masks an unwanted odour.
Regulatory framework
What the authorities say
| Authority | Status |
|---|---|
| Commission européenne (CosIng, Règl. 1223/2009) | Autorisé sous conditions |
| CLP classification (Reg. 1272/2008) | No CMR classification |
| 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 V (Reg. 1223/2009) — maj Fri, 07 Aug 2026 16:37:23 GMT | Authorised preservative (Annex V) — max 0.1 % in a) Rinse-off products b) Leave-on products other than oral products |
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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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