0.13% Benzalkonium Chloride: Uses, Side Effects, and Drug Interactions

# Benzalkonium Chloride 0.13% Overview Benzalkonium chloride at 0.13% concentration is an antimicrobial ingredient used in over-the-counter products to kill germs and bacteria. It works by breaking down the outer layers of harmful microorganisms, making it effective for disinfecting skin and preventing infections. You'll find this ingredient in products like eye drops, wound cleansers, and first aid solutions. It's a trusted ingredient that has been used safely in consumer health products for many years. When using products containing benzalkonium chloride, it's important to follow the directions on the package carefully. Avoid getting the product in your eyes unless it's specifically made as an eye drop, and wash your hands after using it. If you experience any irritation, redness, or unusual reactions, stop using the product and talk to a doctor. Keep all products containing this ingredient away from children and pets, and store them in a cool, dry place. If someone accidentally swallows the product, contact poison control or seek emergency medical help right away.