F10® ANTISEPTIC SOLUTION (CONCENTRATE), a clear liquid with a slight natural odour. Composition per 100ml - Benzalkonium Chloride 5.40g, non toxic ampholytic surfactants, sequesterants and water to balance. F10® ANTISEPTIC SOLUTION (RTU), composition per 100ml - Benzalkonium Chloride 0.022g, non toxic ampholytic surfactants, sequesterants and water to balance.