Tag: Bak

Over 70% of ophthalmic medications use benzalkonium chloride (BAK) as a preservative, a fact that raises questions for consumers of popular eye drops [1.4.1]. The answer to **Does Lumify contain benzalkonium chloride?** is twofold: the original formula does, but a preservative-free version is also available [1.3.1].

As many as 59% of patients with medically treated glaucoma report symptoms of ocular surface disease, often attributed to preservatives in eye drops [1.7.1]. When asking, 'Does brimonidine contain BAK?', the answer depends entirely on the specific product, as both BAK-preserved and BAK-free options exist [1.2.3].

According to the official manufacturer's FAQ, the standard multi-dose formulation of **LUMIFY** eye drops does contain the preservative benzalkonium chloride (BAK) to maintain sterility. However, in 2025, a newer preservative-free version was introduced, offering a suitable alternative for individuals with sensitive eyes or those seeking to avoid BAK.

Approximately 70% of multi-dose ophthalmic preparations contain benzalkonium chloride (BAK) as a preservative. This raises a critical question for many patients: is benzalkonium chloride bad in eye drops, especially with long-term or frequent use?