Airtight vs airless

What is Airtight vs airless?

Airtight only means the closed pack does not exchange air; airless means the formula never contacts air even in use. Only the second protects an oxidation-sensitive active once the consumer opens it, and the two are frequently conflated in supplier decks.

At a glance

Category

Packaging

Also known as

밀폐·에어리스

Korean term

밀폐·에어리스

Last reviewed

July 23, 2026

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