Glossary · Manufacturing
What Is Airless Bottle?
An airless bottle dispenses product by means of a piston that rises inside the container as the pump is pressed, so the formula is never exposed to air and nothing is drawn back into the pack. It suits oxidation-sensitive actives such as retinol and vitamin C, and formulas too viscous for a dropper.
Why it matters when you source
If the formula is oxygen- or light-sensitive, the pack decision outranks the price. An airless pack also dispenses a more consistent dose and empties more completely than a dropper, which matters when the active is expensive per millilitre.
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