Type | How It Works | Best For |
---|---|---|
Piston-Based | A plastic piston moves up as product is dispensed. | Creams, lotions, serums |
Bag-in-Bottle | A collapsible inner bag shrinks as product is used. | High-end cosmetics, pharmaceuticals |
Pressurized Airless | Uses a gas propellant (rare, due to environmental concerns). | Medical & industrial uses |
✅ No Contamination – Prevents bacteria, oxidation, and ingredient degradation.
✅ 100% Product Evacuation – No wasted product at the bottom.
✅ Precise Dosing – Controlled dispensing (ideal for expensive serums).
✅ Preservative-Free Possible – Less need for harsh preservatives.
✅ Elegant & Modern Look – Popular in luxury skincare brands.