PP Airless Pump Bottle 30ml-150ml for Cosmetic Lotion

Real-World "Airless Bottle" Systems

The term "airless bottle" also refers to advanced packaging technology, especially in the cosmetics and skincare industry (for lotions, creams, serums). These work on a different but related principle.

How They Work:

1. A Flexible Bag: Inside the rigid outer bottle, there is a flexible pouch or bag that holds the product.

2. A Pump Mechanism: The pump sits on top, and the dip tube reaches to the bottom of the inner bag.

3. One-Way Valve: The bottom of the bottle has a one-way valve or is simply a flexible diaphragm.

4. The Process:

   • When you press the pump, you force product out.

   • This creates a vacuum in the inner bag, causing it to collapse.

   • The collapsing bag creates suction that pulls the piston (or diaphragm) at the bottom of the bottle upwards.

   • This upward movement displaces the volume of the used product, ensuring no air ever enters the main container to replace the product that was dispensed.

Advantages of Real-World Airless Bottles:

• Prevents Contamination: No air means no oxidation, bacteria growth, or contamination, preserving the product's efficacy.

• 100% Product Evacuation: You can get almost every last bit of product out without shaking or tapping the bottle.

• Dosing Consistency: The pump delivers a consistent amount each time.

• Protects Sensitive Ingredients: Ideal for formulas with vitamins (like Vitamin C), retinoids, and other ingredients that degrade when exposed to air.

plastic PP airless pump bottle

white cosmetic lotion bottle

empty airless bottle with warranty

PP Airless Pump Bottle 30ml-150ml for Cosmetic Lotion Images