Among all the preservatives, benzalkonium chloride is the most common and its toxic effects on the ocular tissue are well known. The purpose of this article is to investigate the ocular effects of ...

Benzalkonium chloride in particular has been linked to a number of different adverse effects, such as disruption of the tear film as well as damage to ocular surface epithelial cells. As a result ...

Learn why hand-sanitizer gels lose effectiveness over time, plus tips to keep hand sanitizer at full germ-killing strength for as long as possible.