Glossary · Manufacturing
What Is Dropper Bottle?
A dropper bottle is a bottle closed with a screw cap that carries a glass pipette, used to dispense measured drops of a low-viscosity liquid. It is the usual pack for thin serums and facial oils; unlike an airless bottle it lets air into the pack each time it is opened.
Why it matters when you source
A dropper is cheaper per unit than an airless pack but shifts the preservation burden onto your formula, because every opening introduces air. If your preservative system has not been challenge-tested for repeated open use, an airless or pump pack is the safer choice.
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