How Does the Triple-Chamber Airless Dropper Work?
Unlike traditional pipette droppers, UKPACK’s triple-chamber airless dropper uses an inverted, push-to-dispense mechanism. Simply point the precision tip downward and press the bottle’s base to dispense three separately stored formulas through a single outlet.
- Invert the Bottle: Hold the bottle upside down with the precision dispensing tip facing downward.
- Press the Base: Press the bottle’s base to activate the spring-loaded pump mechanism.
- Dispense Three Formulas: Each chamber delivers a nominal 0.12ml per stroke, providing a combined output of 0.36ml.


Triple-Chamber Airless Dropper Structure & Components
UKPACK’s 21ml triple-chamber airless dropper features three independent 7ml reservoirs, a base-actuated pump assembly, and individual airless pistons. These components work together to keep formulations separate during storage and deliver a nominal 0.36ml combined output through a fixed precision dispensing tip.
Product Specifications & Materials
Designed for multi-formula skincare packaging, this 21ml triple-chamber airless dropper features three independent 7ml reservoirs and a combined nominal output of 0.36ml per stroke.
| Specification | Details |
|---|---|
| Product Type | Triple-Chamber Airless Dropper Bottle |
| Capacity | 21ml Total (3 × 7ml) |
| Dispensing Output | 0.12ml/Chamber · 0.36ml/Stroke |
| Dispensing Ratio | 1:1:1 (Nominal) |
| Materials | PET Outer Cap & Bottle · PP Internal Plastic Components |
| Dispensing System | Inverted, Base-Actuated Airless Pump |
| Applicator | Fixed Precision Dispensing Tip |

Looking for a Dual-Chamber Airless Dropper Bottle?
For skincare products requiring two separately stored formulations, UKPACK also offers a 15ml dual-chamber airless dropper bottle with two independent 7.5ml reservoirs. Its inverted dispensing system delivers a combined nominal output of 0.24ml per stroke at a 1:1 ratio.


What Are the Benefits of Triple-Chamber Airless Dropper Bottle?
UKPACK’s triple-chamber airless dropper bottle offers four key benefits for multi-formula skincare packaging: separate formula storage, reduced air exposure, controlled dosing, and precision application. These features help brands develop skincare products that combine three formulations in one convenient dispensing system.
Triple-Chamber Airless Dropper Bottle Applications
UKPACK’s 21ml triple-chamber airless dropper bottle is designed for skincare products that combine three separately stored formulations. Its independent reservoirs support multi-active serums, oil-and-emulsion combinations, and multi-texture facial treatments, with all three formulas dispensed through one precision tip.
Formula compatibility, viscosity, and dispensing performance should be verified with the intended formulations before production.

OEM/ODM Options for Triple-Chamber Airless Dropper Bottle
For brands developing three-formula skincare products, UKPACK offers packaging customization across the bottle exterior, protective cap, and selected plastic components. Our team can help translate your artwork and visual specifications into packaging samples for review before production.
Formula Compatibility & Project Support
UKPACK helps skincare brands evaluate formula compatibility, dispensing performance, and packaging requirements for multi-formula products. Our team supports your triple-chamber airless dropper project from initial assessment to sampling and production planning.







