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Major Disadvantages

1. Constant Air and Light Exposure (Biggest Issue): Every time the jar is opened, the entire product is exposed to air and light. This leads to:

   • Oxidation: Key active ingredients (like Vitamin C, retinol, peptides) degrade and lose their potency and effectiveness.

   • Contamination: Dipping fingers into the jar introduces bacteria, mold, and other contaminants, which can spoil the product and cause skin irritation.

   • Evaporation: Volatile compounds (like water and certain alcohols) can evaporate, altering the formula's texture and concentration over time.

2. Product Waste: It is impossible to get all the product out. A significant amount gets stuck on the sides and bottom, leading to waste.

3. Less Hygienic: The "finger-dipping" method is inherently unsterile.

Round Cream Jar vs. Airless Bottle

This is the fundamental choice between cost and preservation.

Is a Round Jar Right for Your Product?

Choose a Round Jar for:

• Cost-sensitive products.

• Stable formulas without highly sensitive active ingredients.

• Rinse-off products like scrubs or masks where preservation is less critical.

• Thick, textured products that cannot be dispensed through a pump.

Avoid a Round Jar for:

• Potent, air-sensitive serums and treatments (Vitamin C, retinoids, etc.).

• Lightweight lotions or fluids.

• Products designed for long-term daily use where hygiene is a priority.

Travel Considerations

• Pros: Small plastic round jars are lightweight and meet TSA size requirements for carry-ons.

• Cons: The major risk is the lid loosening and the product spilling everywhere.

  • Travel Tip: Always place a small piece of plastic wrap over the opening before screwing the lid on tightly. Then, place the jar in a sealed zip-lock bag.

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Plastic PP Cream Jar 5g to 50g Custom Colors MOQ 10000pcs Images