A common food preservative may be damaging our gut health, scientists have warned. Nisin is a popular antimicrobial preservative used in everything from beer to cheeses and dipping sauce. It is made ...
Polyquad ® is a detergent-type preservative derived from BAK. Polyquad was formulated in the mid 1980s by Alcon as a preservative for contact lens storage solutions. It was developed because ...
Bronopol affected 3.4% of patch test patients in 2005–2006 (Zug et al., 2009). This preservative has activity against gram-positive and gram-negative bacteria, including Pseudomonas aeruginosa.
Polyvinyl alcohol 2.7%, povidone 2%; oph soln. Relief of dry eye symptoms or to prevent further irritation. For the temporary relief of discomfort due to minor eye irritations or to exposure to ...