Medical Chemical BAK 1:750 Benzalkonium Chloride Antiseptic, 1-gallon Bottle

• 0.13% strength BZK (benzalkonium chloride) is a topical liquid first aid antiseptic which helps prevent skin infection in minor cuts, scrapes and burns and antiseptic cleansing.
• Benzalkonium chloride may also be used for cold sore care.
• 1 gallon jug