How to refill a dewar airless bottle?

Oct 17, 2025

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Dewar airless bottles have become increasingly popular in the beauty and skincare industry due to their ability to preserve the quality and efficacy of products by preventing air exposure. As a supplier of dewar airless bottles, I often receive inquiries about how to refill these bottles properly. In this blog post, I will guide you through the process of refilling a dewar airless bottle step by step.

Understanding the Dewar Airless Bottle

Before we delve into the refilling process, it's essential to understand how a dewar airless bottle works. These bottles are designed with a unique mechanism that eliminates air from entering the container, which helps to maintain the integrity of the product inside. The bottle typically consists of an outer shell, an inner piston, and a pump mechanism. As the product is dispensed, the piston moves up, pushing the product towards the pump and preventing air from entering the bottle.

Benefits of Refilling a Dewar Airless Bottle

Refilling a dewar airless bottle offers several benefits. Firstly, it is an environmentally friendly option as it reduces the amount of plastic waste generated. Instead of throwing away the entire bottle after use, you can simply refill it with a new product. Secondly, refilling can save you money in the long run, especially if you regularly use high-end skincare products. By purchasing the product in larger quantities and refilling your bottle, you can often get a better deal.

Step-by-Step Guide to Refilling a Dewar Airless Bottle

Step 1: Gather Your Materials

Before you start refilling your dewar airless bottle, you will need to gather the necessary materials. You will need the product you want to refill the bottle with, a funnel, a clean cloth, and a small spatula. Make sure the product is compatible with the dewar airless bottle and that it is in a liquid or semi-liquid form.

Step 2: Clean the Bottle

It is crucial to clean the dewar airless bottle thoroughly before refilling it. Remove the pump from the bottle and rinse it under warm water. Use a mild soap or detergent to clean the inside of the bottle, making sure to remove any residue from the previous product. Rinse the bottle several times to ensure that all the soap is removed. Dry the bottle and the pump with a clean cloth.

Face Cream Airless Plastic Pump BottleLuxury Airless AS Bottle

Step 3: Prepare the Product

If the product you are using is in a thick or viscous form, you may need to warm it slightly to make it easier to pour. You can do this by placing the product container in a bowl of warm water for a few minutes. Stir the product gently to ensure that it is well-mixed.

Step 4: Refill the Bottle

Place the funnel in the opening of the dewar airless bottle. Use the spatula to scoop the product into the funnel, being careful not to spill it. Slowly pour the product into the bottle, filling it up to about three-quarters full. Leave some space at the top of the bottle to allow for the pump mechanism to work properly.

Step 5: Reattach the Pump

Once the bottle is filled, carefully reattach the pump to the bottle. Make sure it is securely in place and that there are no leaks. Press down on the pump a few times to prime it and start the flow of the product.

Step 6: Test the Bottle

After refilling and reattaching the pump, test the bottle to make sure it is working correctly. Press down on the pump to dispense a small amount of the product. If the product comes out smoothly and evenly, then the bottle is working properly. If there are any issues, such as the product not coming out or the pump not working, check to make sure the bottle is filled correctly and that the pump is securely attached.

Tips for Refilling a Dewar Airless Bottle

  • Use a clean funnel: To prevent contamination, make sure the funnel you use is clean and dry. You can wash the funnel with warm water and soap before using it.
  • Be careful not to overfill the bottle: Overfilling the bottle can cause the pump to malfunction or the product to spill. Leave some space at the top of the bottle to allow for the pump mechanism to work properly.
  • Store the product properly: After refilling the bottle, store it in a cool, dry place away from direct sunlight. This will help to preserve the quality and efficacy of the product.

Our Dewar Airless Bottle Products

As a supplier of dewar airless bottles, we offer a wide range of high-quality products to meet your needs. Our Face Cream Airless Plastic Pump is perfect for storing and dispensing face creams and lotions. It is made of durable plastic and has a sleek design that is both functional and stylish.

Our Cosmetic Cream Bottle is another popular option. It is designed to keep your cosmetic creams fresh and protected from air and light. The bottle is easy to use and has a smooth pumping action.

For those looking for a more luxurious option, our Airless AS Bottle is the perfect choice. It is made of high-quality materials and has a sophisticated design that is sure to impress.

Contact Us for Purchasing

If you are interested in purchasing our dewar airless bottles or have any questions about refilling them, please feel free to contact us. We are happy to provide you with more information and assist you with your purchasing decision. Our team of experts is always on hand to offer advice and support.

References

  • "Airless Packaging: The Future of Skincare?" Journal of Cosmetic Science, Vol. 70, No. 3, 2019.
  • "Sustainable Packaging Solutions for the Beauty Industry." International Journal of Sustainable Development and World Ecology, Vol. 27, No. 4, 2020.