In the high-end skincare industry, airless pump bottles are no longer an unfamiliar concept. With their superior antioxidant protection capabilities, they have become an indispensable guardian of precious formulas. By isolating the skin from air, airless bottles ensure that every drop of ingredient reaches the skin in its purest and most effective state, preventing oxidation, deterioration, and contamination at the source. This is a key reason why they have become a core choice for high-end skincare packaging.   However, there is a common misconception about airless bottles: the public assumes that the "air-push preservation principle" of airless bottles relies on a movable structure at the bottom, limiting the material to plastic, as glass cannot achieve a airless effect. In fact, double-walled glass airless bottles have long since broken this limitation, achieving a perfect fusion of luxurious feel and vacuum preservation through a sophisticated "bottle within a bottle" d...