How does the Cosmetic Airless Pump Bottle & Jar work, and how does it achieve airless extraction?

The Cosmetic Airless Pump Bottle & Jar is an innovative packaging solution designed to protect the active ingredients of cosmetics. This design not only prevents product oxidation, but also avoids bacterial contamination. This article will take a closer look at how it works and how to achieve airless extraction.

1. The necessity of airless design
In the cosmetics industry, the active ingredients of many products are sensitive to oxygen, light and humidity, and are easily degraded by the external environment. Traditional pump bottles often allow air to enter, causing product oxidation and quality degradation. The airless pump bottle and jar are specially designed to achieve a completely airless environment, effectively extending the shelf life of the product.

2. Piston mechanism
The core design of the airless pump bottle is its internal piston structure. When the user presses the pump head, the piston moves downward, pushing the product toward the bottle mouth. This process uses mechanical pressure to evenly extract the product inside.

Operation process: Whenever the user presses the pump head, the piston is forced down and the product inside flows out through a specially designed channel.
No residue: Under the push of the piston, the product is almost completely extracted, reducing the residue in the bottle and effectively utilizing every drop of product.
3. Negative pressure environment
As the product is extracted, a negative pressure environment is formed in the bottle. This mechanism ensures that air cannot enter the bottle, further preventing oxidation and contamination. The formation of negative pressure is mainly through the following aspects:

Airtight design: Airless pump bottles and cans usually adopt a sealed design to prevent air from entering during use.
Continuous negative pressure: Each time it is used, the amount of product extracted matches the pressure in the bottle, thereby maintaining a negative pressure state.
4. Accurate metering
Another advantage of airless pump bottles and cans is their precise product metering mechanism. Each time the pump head is pressed, the amount of product released is designed and calibrated, and users can easily control the amount used to avoid waste.

Consistency: This metering mechanism ensures that users get the same amount of product every time, ensuring a consistent user experience.
Cost saving: By effectively controlling the amount of product used, consumers can reduce waste during use and improve the cost-effectiveness of the product.
5. User experience
The airless pump bottles and jars not only perform well in terms of function, but their design also takes into account the user experience. Users can feel the smoother pumping effect and convenient operation when using it, making daily skin care and makeup easier.