Beauty ingredient · Conditioning agent

Behentrimonium chloride

A quaternary ammonium conditioner.

  • Quaternary ammonium compound
  • Expert review pending

Concern level

Low concern Level 1 of 4 How concern levels work

A minor or very limited concern, such as being an ultra-processing marker only. The concern level sets how many points behentrimonium chloride costs on a product’s receipt.

What the evidence says

  • Antimicrobial resistance (emerging)Emerging evidence

    A 2023 review describes quaternary ammonium compounds as a class of emerging concern. [1]

Evidence tiers say how sure the evidence is, separately from how much it matters. About evidence tiers.

Rules around the world

How regulators treat Behentrimonium chloride
WhereStatusDetailsDateSource
European Union Restricted Alkyl (C12-22) trimethyl ammonium chlorides allowed with limits. — [2]

“Banned” means explicitly prohibited or withdrawn after review; “not permitted” means never authorized there. We use each regulator’s own words.

Popular products that list behentrimonium chloride

9 of the 17,000 most-scanned products in the US with a GoodSwap page list behentrimonium chloride.

Names GoodSwap recognizes on labels (13)
  • quaternium 18
  • quaternium 80
  • stearalkonium chloride
  • behentrimonium chloride
  • dicocodimonium chloride
  • dicetyldimonium chloride
  • distearyldimonium chloride
  • behentrimonium methosulfate
  • behenamidopropyl dimethylamine
  • stearamidopropyl dimethylamine
  • brassicamidopropyl dimethylamine
  • cinnamidopropyltrimonium chloride
  • palmitamidopropyltrimonium chloride

Sources

  1. Quaternary Ammonium Compounds: A Chemical Class of Emerging Concern

    Environmental Science & Technology · May 23, 2023 · Peer-reviewed

    “Suspected or known adverse health outcomes include dermal and respiratory effects, developmental and reproductive toxicity, disruption of metabolic function such as lipid homeostasis, and impairment of mitochondrial function.”

    doi.org

  2. Regulation (EC) No 1223/2009 of 30 November 2009 on cosmetic products

    European Union (Official Journal) · Nov 30, 2009 · Law

    “cosmetic products shall not contain any of the following: (a) prohibited substances — prohibited substances listed in Annex II”

    eur-lex.europa.eu