News
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2026-10-20
Child-Resistant Closures: Standards, Opening Force and Everyday Usability
How child-resistant closures are designed, tested and specified, including openin...
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2026-10-20
Dropper Bottles for Serums and Oils: Glass versus Plastic and Pipette Design
Material and design considerations for dropper bottles, including glass versus pl...
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2026-10-20
Roll-On Applicators: Ball Fit, Socket Tolerance and Product Compatibility
The engineering behind roll-on applicators: ball material, socket interference, l...
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2026-10-20
Lotion Pump Anatomy: Dip Tube, Piston, Spring and Dosage Control
A component-level explanation of lotion pump construction, dose control, dip tube...
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2026-10-20
Airless Pump Systems: Working Principle, Advantages and Specification Points
How airless pump dispensers work, where they outperform standard lotion pumps, an...
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2026-10-20
Drop, Vibration and Compression Testing: Validating Cosmetic Packaging for Transport
How drop, vibration and compression tests are sequenced to validate cosmetic and ...
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2026-10-20
Wall Thickness, Part Weight and Impact Resistance in Injection-Molded Containers
How wall thickness and part weight affect impact resistance, cost and dimensional...
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2026-10-20
PET, PP and PS: Choosing the Right Plastic Resin for Cosmetic Jars and Bottles
A technical comparison of PET, PP and PS resins for cosmetic jars and bottles, co...
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