Case Study: D35 Center Dispensing Cap for the Spain Market

Case Study: D35 Center Dispensing Cap for the Spain Market

Market Background

In the Spanish personal care and cosmetics market, packaging solutions are increasingly expected to deliver consistent dispensing performance, cost efficiency, and compatibility with standardized tube formats. For mass-market skincare products such as cleansers, lotions, and creams, packaging must balance functional reliability with production scalability.

Traditional dispensing closures, especially wide-opening caps, often lead to inconsistent product flow, over-dispensing, and residue buildup, which can negatively impact user experience and product perception. For brands operating at scale, these issues also translate into inefficiencies in product usage and customer satisfaction.

Customer Profile and Application Scenario

The customer is a Spain-based personal care manufacturer supplying skincare and daily-use cosmetic products across retail and private label channels. Their core product lines include facial cleansers, hand creams, and lotion-based formulations, primarily packaged in D35 cosmetic tubes.

Key requirements included:

• Stable and controlled dispensing for medium-viscosity products

• Compatibility with existing D35 tube packaging lines

• Cost-effective material solution without compromising functionality

• Reliable supply for large-volume production

The annual demand reached approximately 2 million units, with a required lead time of 1–2 months to support continuous manufacturing operations.

Our Solution

To meet these requirements, a D35 center dispensing cap made from PP material was implemented, focusing on structural efficiency and production stability:

• Center dispensing structure: A single, centralized flow path to improve dispensing consistency and reduce off-center flow

• 4.0 mm orifice size: Designed to regulate output for medium-viscosity formulations such as creams and cleansers

• Full PP construction:

  • Ensures structural rigidity and dimensional stability

  • Supports efficient injection molding and cost control

• Standard D35 compatibility: Allows seamless integration into existing tube filling and sealing lines

This solution provided a practical balance between performance, manufacturability, and cost efficiency.

Technical Performance Summary

The effectiveness of the solution is supported by several key technical parameters:

• The 4.0 mm dispensing orifice enables controlled and repeatable product flow, reducing over-dispensing

• The center flow path design improves output consistency and minimizes uneven distribution

• The PP material structure ensures stable mechanical performance and compatibility with high-speed production

• Standard D35 tube interface simplifies packaging integration and reduces the need for system adjustments

These parameters contribute to reliable performance across both production and end-user applications.

Customer Feedback

According to customer feedback, the implemented cap solution delivered:

• Consistent dispensing behavior across different product batches

• Improved control over product usage, reducing unnecessary waste

• Smooth integration into existing production lines without additional complexity

• Stable supply performance aligned with the required 1–2 month lead time

The customer reported a high level of satisfaction with both product functionality and supply reliability.

Conclusion

This case demonstrates how a D35 center dispensing cap with a PP structure can effectively address common dispensing challenges in cosmetic tube packaging. By combining a 4.0 mm controlled orifice and centralized flow design, the solution ensures stable, consistent, and scalable performance for medium-viscosity products.

For manufacturers in Spain and similar markets, this approach offers a reliable and cost-effective way to enhance packaging functionality while maintaining production efficiency.