Systane preservative: I would go to Drugs.com and read everything there and then discuss with your team. I assume the preservatives are there to keep bugs from growing in it over time. Discard when instructions say to do so.
Answered 2/21/2021
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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