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 ...

A preservative-free flu shot is a type of flu vaccine that does not contain the antimicrobial agent known as thimerosal. Thimerosal, a mercury-based compound, is an ingredient that's used in some ...

Some fresh egg pasta is preservative-free, while other types contain stabilizers or preservatives. The ingredient list should ...

I know that patients should benefit from the design of a triple action preservative-free formula that includes hyaluronate to address all types of dry eye,” said Dr. Selina McGee, Founder and ...

[2] The severity of these effects are related to the duration for which the medications are used, the types and concentrations of preservatives used in the medications and the total number of all ...