Why do co-extruded tubes offer better flexibility and memory (shape retention) than laminated tubes?

Why do co-extruded tubes offer better flexibility and memory (shape retention) than laminated tubes
Why do co-extruded tubes offer better flexibility and memory (shape retention) than laminated tubes

Co-extruded tubes often offer better flexibility and memory, or shape retention, because their tube body is made from continuous extruded plastic layers rather than a flat laminate sheet that is rolled and side-welded. This gives co-extruded tubes a more integrated plastic structure, allowing the tube to squeeze smoothly and recover closer to its original shape after use.

By contrast, laminated tubes are made from laminated sheet materials such as ABL or PBL. The sheet is formed into a tube and welded along the side seam. This construction can provide excellent barrier protection, but the tube body may behave differently under squeezing, especially when the laminate includes a stiffer barrier layer such as aluminum foil.

Quick Answer: Why Co-Extruded Tubes Recover Better

ReasonCo-Extruded Tube AdvantageEffect on User Experience
Continuous plastic structureLayers are formed together through extrusionSmoother squeezing and better shape recovery
No side seam on the bodyThe tube wall behaves more evenly around the circumferenceLess local stiffness or stress around the seam area
Plastic memoryPE-based materials tend to rebound after deformationTube looks cleaner after repeated use
Adjustable layer designMaterial softness, stiffness, and barrier can be engineered togetherBetter balance between protection and squeeze feel

What Does “Memory” Mean in Tube Packaging?

In cosmetic tube packaging, memory means the tube’s ability to return toward its original shape after being squeezed. A tube with good memory does not stay heavily dented, creased, or collapsed after use. This is important for premium skincare, sunscreen, hand cream, cleanser, and lotion products because the package still needs to look attractive on the bathroom shelf or retail display after repeated squeezing.

Co-Extruded Tube Structure and Shape Retention

Co-extruded tubes are produced by extruding multiple plastic layers together into a tube body. The structure may include PE layers, tie layers, and a barrier layer such as EVOH. Because the layers are integrated during extrusion, the tube body behaves more like one continuous plastic structure. This usually supports better flexibility and a cleaner rebound after squeezing.

  • More uniform tube wall: The body has no longitudinal side seam that changes stiffness locally.
  • Better elastic recovery: PE-based structures naturally provide better bounce-back than foil-based laminate structures.
  • Customizable softness: Factories can adjust materials and layer ratios to fine-tune hand feel.
  • Premium appearance after use: The tube is less likely to show hard creases after normal squeezing.

Laminated Tube Structure and Shape Behavior

Laminated tubes are made from flat laminate sheets. These sheets are cut, rolled into tube shape, and sealed along the side. Depending on the laminate type, the tube may include aluminum foil, plastic barrier layers, adhesives, and printed films. This structure can be very good for barrier performance, but it may not always recover as smoothly as a co-extruded tube.

Laminated Tube TypeShape BehaviorTypical Application
ABL tubeMore collapsible; may keep squeezed shape or creaseToothpaste, ointment, functional paste, high-barrier formulas
PBL tubeBetter recovery than ABL, but still formed from laminate sheetSkincare, toothpaste, personal care, barrier cosmetic products
Co-extruded tubeUsually better seamless flexibility and memoryPremium cosmetic, skincare, sunscreen, cleanser, lotion

Why Side Seams Matter for Flexibility

A laminated tube normally has a side seam because the tube body is made by welding the edges of a flat laminate sheet. This seam area can have slightly different stiffness, thickness, and visual behavior compared with the rest of the tube body. A co-extruded tube body is generally seamless, so the wall responds more evenly when squeezed.

  • Seamless body: More even deformation around the tube.
  • Side-welded body: The seam area may create local stiffness or visual interruption.
  • Premium design benefit: Seamless tubes often look smoother and more refined after use.

Flexibility and Memory Comparison

FeatureCo-Extruded TubesLaminated Tubes
FlexibilityUsually very good and adjustable through material designDepends on laminate structure and barrier layer
Shape memoryUsually better bounce-back after squeezingABL may crease; PBL recovers better but still depends on laminate design
Side seamUsually seamless bodyUsually has a longitudinal side seam
Premium shelf appearance after useStrongGood to moderate depending on structure
Barrier protectionGood to high with EVOH or multi-layer designVery high with ABL; good to high with PBL

Why Co-Extruded Tubes Are Popular for Premium Cosmetics

For premium cosmetics, the package needs to protect the formula and also look attractive after repeated use. Co-extruded tubes are popular because they combine a seamless appearance, smooth hand feel, flexible squeezing, and good recovery. This makes them suitable for products where consumer experience and shelf appearance are important.

  • Skincare cream tubes
  • Sunscreen tubes
  • Facial cleanser tubes
  • Hand cream tubes
  • Lotion tubes
  • Hair care and body care tubes

When Laminated Tubes May Still Be Better

Better flexibility does not mean co-extruded tubes are always the best choice. Laminated tubes are still excellent when the formula needs strong barrier protection, when the brand wants toothpaste-style packaging, or when ABL/PBL laminate performance is required. ABL tubes, for example, are often chosen because they collapse and hold the squeezed shape, which can be useful for controlled dispensing and high-barrier paste products.

Project PriorityBetter Tube DirectionReason
Best squeeze-back memoryCo-extruded tubeSeamless PE-based structure usually recovers better
Maximum aluminum barrierABL laminated tubeAluminum foil provides very strong barrier protection
Premium skincare appearanceCo-extruded tubeSmoother body and cleaner look after use
Traditional toothpaste feelABL or PBL laminated tubeLaminated structures are common in oral care
Plastic barrier with better recovery than ABLPBL laminated tube or co-extruded EVOH tubeBoth can support better recovery than foil-based ABL

Common Misunderstandings

MisunderstandingCorrect Explanation
“All laminated tubes have poor memory.”Not always. PBL tubes can have better recovery than ABL, but the exact result depends on the laminate structure.
“Co-extruded tubes always have lower barrier.”Not necessarily. Co-extruded tubes can include EVOH barrier layers for stronger oxygen protection.
“A tube that holds its squeezed shape is defective.”No. ABL tubes are often designed to be more collapsible and may naturally hold creases after squeezing.
“Shape recovery is only about material softness.”Shape recovery also depends on layer structure, wall thickness, seam design, barrier layer, and tube diameter.

Best Practical Recommendation

If your product needs a premium cosmetic look and should keep a clean shape after repeated squeezing, a co-extruded tube is usually a strong choice. If your product needs maximum barrier protection or a traditional toothpaste-style collapsible feel, a laminated tube may be better. For functional skincare, sunscreen, and premium personal care, a co-extruded EVOH tube can often provide a strong balance between barrier protection, flexibility, and shape retention.

Summary

Co-extruded tubes usually offer better flexibility and memory than laminated tubes because their body is formed from continuous extruded plastic layers, creating a seamless and more uniform structure. This allows the tube to squeeze smoothly and recover closer to its original shape after use.

Laminated tubes are made from flat laminate sheets that are rolled and side-welded, so their flexibility and shape retention depend strongly on the laminate material, side seam, and barrier layer. ABL tubes may hold creases, while PBL tubes recover better than ABL. Co-extruded tubes are often preferred for premium cosmetics where smooth appearance and shape retention matter most.

Learn more: Co-Extruded Cosmetic Tubes Guide, PE Tubes vs Laminated Tubes, ABL vs PBL Tubes, 5-Layer Plastic Tubes, EVOH Barrier Tubes Manufacturer, Skincare Tubes Manufacturer.

Need Better Flexibility and Shape Retention for Cosmetic Tubes?

Xinfly Packaging helps brands compare co-extruded, ABL, and PBL tubes based on formula sensitivity, barrier performance, squeeze feel, memory, side-seam appearance, and premium shelf presentation.

Share your love
Jeff Shao - CEO & Founder

Jeff Shao - CEO & Founder

Jeff Shao is a forward-thinking entrepreneur and packaging innovator with over 20 years of experience in the cosmetic and personal-care packaging industry. As the Founder and Managing Director of Xinfly Packaging, he has transformed the company from a traditional plastic tube manufacturer into a global provider of custom, eco-friendly, and premium cosmetic tube solutions.

Articles: 343