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Ingredients

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Thimerosal

Looks Halal

An ethylmercury-containing preservative used in some multi-dose vaccines and a few biological products.

Synthetic; halal in itself. Single-dose pre-filled syringes are generally thimerosal-free.

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Benzalkonium Chloride

Looks Halal

A quaternary ammonium preservative active against bacteria and fungi.

Synthetic; halal.

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