More consumers are requiring that cosmetic companies to creat more natural-based, preservative free products, that are naturally fragranced and healthy for skin.

越来越多的消费者希望化妆品生产商能生产出更多天然、无防腐剂的产品，使得皮肤更加健康。

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Removing thiomersal completely from vaccines would require either using alternative preservatives or using preservative-free single dose vaccines exclusively.

如果将硫柳汞完全从疫苗中去掉，则需要使用替代防腐剂，或完全使用不含防腐剂的单剂疫苗。

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Organic fruits and vegetables are grown without the use of pesticides and are preservative-free on every level.

有机水果和蔬菜生长过程中不能使用杀虫剂，以及任何计量的防腐剂。

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Merck said Zioptan is the first preservative-free prostaglandin analog ophthalmic solution.

WSJ: New Drug Approved to Treat Eye Condition

State and federal health organizations are investigating Main Street Family Pharmacy, LLC, in Newbern, Tennessee, and its preservative-free methylprednisolone acetate, or MPA, a steroid product used for a range of conditions.

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Patients contracted fungal meningitis -- which results in inflammation of the membranes covering the brain and spinal cord -- after their spines were injected with a contaminated, preservative-free steroid called methylprednisolone acetate, health officials have said.

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