The airless 250ml Plastic Lotion Bottle is a non-pressurized vacuum dispensing system that uses a mechanical pump in the bottle. When you press the pump, the disc in the bottle rises to push the product out of the pump. Once the bottle is filled, the material stored in the bottle will be preserved and maintain its integrity until it is used up. Airless packaging will help extend the shelf life of the final product. With a traditional pump bottle, when the content in the bottle becomes less, the tube in the bottle will no longer be able to pull the product into the pump, so the usual practice is to remove the pump and try to take out the remaining material using a spatula type tool. As the pump is repeatedly turned on and the contents are exposed to the air, some products will eventually be oxidized and lose their effectiveness. With an airless bottle, the material in the bottle will be able to be completely dispensed without opening the pump, so the integrity of the contents can be kept stable throughout the use process. Additional advantages of using airless cylinders- 1. Can use less or no chemical preservatives. 2. Make organic and natural purposes within reach and deliver to users. 3. The bottle does not need to stand upright to pump out the contents. In the case of a business trip or the artist is on-site, the content can be distributed immediately when the content is removed from storage, without waiting for the content to move and settle to the bottom. 4. The contents of the bottle will maintain a longer shelf life without contact with air. 5. Like the products you have, such as foundation and moisturizer, but the packaging does not come with a pump. The application can be easily distributed by simply transferring the product to an airless bottle. When you want bottles to hold things, PET Candy Bottles is a good choice. https://www.jinfupack.com/product/daily-bottle/250ml-plastic-lotion-bottle.html