Skip to content

Your bag

Nothing in here yet.

Three steps is a good place to start.

see the routine
the live free daily

“what's one thing you could do today that's just for you, no one else? what's stopping you?”

today's question →

← the glossary

Benzalkonium Chloride

Never allowedReviewed September 18, 2026

BAC · Benzalkonium · Quaternary Ammonium · Chloroxylenol

A disinfectant and preservative found in wipes, sanitizers and some eye and nose products.

What it does
Preservation
Our take
A known respiratory sensitizer that kills bacteria indiscriminately, including the skin microbiome that keeps you healthy. It also drives antimicrobial resistance. Wipes are where it shows up most, which matters because wipes are marketed hardest at teenagers.

What we read

  • EU CosIng; FDA OTC monograph · reviewed Sep 2026

Every other ingredient, with the same treatment.

open the glossary