The Lab
Specimen No. 0116
CautionSyntheticantimicrobialhousehold cleaner

Quaternary Ammonium Compounds (Quats)

quaternary ammonium · quats · benzalkonium chloride

A class of disinfectants in cleaning products and personal care. Linked to antibiotic resistance development and reproductive toxicity in animal studies.

medium confidence
Researched April 18, 2026

Concerns

  • Contribute to antibiotic-resistant bacteria
  • Reproductive and developmental toxicity in animal studies
  • Skin sensitiser with repeated exposure
  • Persist in the environment — aquatic toxins

Regulatory flags

  • Animal studies link some quaternary ammonium compounds to reproductive toxicity

Commonly found in

Disinfecting wipesSpray disinfectantsFabric softenersDryer sheetsHand sanitiser

Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.

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Safer swaps · Research references

Branch Basics

Branch Basics Concentrate

96/100

One bottle replaces your entire cleaning cabinet.

Why it's cleaner

No flagged ingredients in our current review; key ingredients include Coco glucoside, Decyl glucoside, Chamomile extract.

Coco glucosideDecyl glucosideChamomile extract
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