More and more people are starting to use airless cosmetic bottles for their lotions, foundations and serum products instead of the traditional pump bottles. The advantage of using the airless cosmetic bottles is that you can evenly pump and dispense the same amount of product each time without having products mixed with air. The traditional airless pump bottles cosmetic works well in the very beginning and as the product get lower, you don't get the same amount to dispense with each pump and as it gets even lower, you will be pumping air instead of products. At this point, you will need to open the bottle and try to get the product out with a stick or some sort. Airless Cosmetic Bottles is also being used to preserve the efficacy of product as it will isolate product from air.