Airless pump bottles play an important role in the preservation of sensitive cosmetics (such as creams, serums or foundations) and various other preservative-free formulations. The internal mechanism of these bottles prevents the material remaining in the bottles from contacting the air, thereby extending the shelf life of the product by 15%. For this reason, the demand for airless bottles in the cosmetics industry has grown exponentially, which is considered to be the future of cosmetic packaging products.
work method
The unique operating mechanism of airless pump bottles enhances the effectiveness of such packaging. The airless bottle is equipped with a piston to ensure that the customer receives every drop of product. Therefore, when using a gasless bottle as a dispenser, there is no waste. There is an air inlet valve on the bottom of each airless bottle. The chamber plate is placed near the bottom of the bottle. The contents of the bottle remain at the level of the plate. The intake valve allows air to fill the space below the plate and ensures that the chamber plate moves upwards under the effect of pressure stabilization. A Airless is created when the user applies pressure on the top of the pump and the serum / lotion / cream enters the chamber of the dispenser to fill the gap. Therefore, when using an airless pump bottle, it is possible to accept the last drop of any cosmetic.
Benefits of using airless pump bottles
Longer shelf life and zero waste are not the only benefits of using airless bottles for packaging. Ease of use is another benefit of using this bottle. When pressing the pump to receive the contents of the bottle, the consumer can hold the bottle in any position (vertical / horizontal) according to his / her preference. Airless pump bottles also allow cosmetic manufacturers to use less or no chemical preservatives. As a result, the quality of cosmetics is improved, and the risk of skin problems due to reaction with chemical preservatives is reduced.
The airless pump bottle does not include a dip tube (used in traditional dispensing pumps). These tubes should be cut to the correct length to fit the inside of the bottle. This process requires extra effort and manpower, which is a time-consuming process. Thanks to the invention of gas-free cylinders, immersion tubes are no longer required.
The sleek appearance is another advantage of using airless bottles for packaging. These bottles have two walls. The outer wall serves as an additional protective layer for the contents of the bottle. It can even be used for advertising while improving the durability of the bottle.
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原文地址：https://www.cnblogs.com/Emilypacking/p/12408962.html