empty plastic airless lotion pump bottle 15ml 30ml

skin care white color customized empty plastic pp gold airless lotion pump bottle 15ml 30ml 50ml As their name implies, these lightweight, leakproof bottles are designed to eliminate air from entering into the packaging. When a user presses on the pump itself, the motion initiates a vacuum effect. Air inside of the bottle is pulled out, along with the product (e.g. lotion, serum, cream). Pushing from the bottom is a plastic plate that sits beneath the product. This plate takes the place of a traditional dip tube that comes in most standard lotion pumps. Thus, the product is pulled up by the pump and pushed up by the diaphragm plate below. Then, air fills back in beneath the plastic plate to rebalance the bottle. For that reason, you'll notice that these bottles have a tiny hole on the bottom to allow the air to enter from below. Airless bottle with no dip tube, the product inside of an airless pump bottle never comes into contact with any form…

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