50ml Vacuum Airless Pump Bottle for Cosmetic Serum Packaging with 0.1-0.5ml Dosage and 3% Residual Rate

This 50ml vacuum airless pump bottle utilizes advanced vacuum technology with a bottom piston mechanism that completely isolates contents from air exposure. Constructed with polypropylene (PP), polyethylene (PE), and stainless steel spring internal components, with outer bottle made of AS or PETG transparent material. Maintains vacuum state throughout usage to prevent oxidation and contamination.

Each press delivers a precise dosage of 0.1-0.5ml with residual rate below 3%. Ideal for packaging oxidation-sensitive cosmetics, pharmaceuticals, and premium skincare products requiring maximum preservation.

Features advanced vacuum bottom piston system that completely isolates content from air through mechanical pressure. Each press delivers precise 0.3ml dose with 100% product utilization and less than 2% residual rate. Stainless steel spring provides consistent pressure to ensure complete evacuation.

Fully automated injection molding and assembly production line. Clean room meets 10,000-class purification standard. 24/7 constant temperature and humidity production environment with batch vacuum pressure and air tightness testing.

• Luxury Anti-Aging Products: Preferred packaging for essence, face cream, and eye cream with active ingredients
• Natural & Organic Products: Ideal for preservative-free formulations requiring ultimate purity and pollution-free positioning
• Functional Skincare: Essential for acne removal, whitening, and wrinkle resistance products needing ingredient activity preservation
• Pharmaceutical Applications: Suitable for oxidation-sensitive medications and treatments