An antimicrobial composition includes benzalkonium chloride in an amount of 0.06% w/w to 0.19% w/w and cocamidopropyl PG-dimonium chloride phosphate in an amount of 0.6% w/w to 1.9% w/w. The composition also includes propylene glycol in an amount of 0.4% w/w to 1.2% w/w and triethylene glycol in an amount of 0.1% w/w to 0.3% w/w. A polysorbate is included in an amount of 0.02% w/w to 0.08% w/w and water in an amount of 96.0% w/w to 99.0% w/w.