What Are the Key Benefits of Using POM/PP Balls in Cosmetics Packaging?

In the cosmetics industry, packaging is not just a container, but also a bridge between brands and consumers. As consumers' requirements for product quality and user experience continue to increase, every detail of packaging accessories has become crucial. Among them, small balls made of POM (polyoxymethylene) and PP (polypropylene), although seemingly insignificant, play an important role in various packaging forms such as roller bottles, vacuum pumps and essence dispensers. Both POM and PP have excellent chemical stability and corrosion resistance. Alcohol, essential oils, plant extracts and various active ingredients are often used in cosmetic formulas. If these substances react with packaging materials, they may cause product deterioration or abnormal odor. POM and PP have strong chemical resistance, which can effectively prevent adverse interactions between formulas and packaging, thereby extending the shelf life of products and ensuring that the ingredients are pure and stable every time they are used.

In terms of functional performance, the smooth rolling characteristics of POM/PP balls make them ideal for roller bottle systems. Whether it is used for eye essence, antiperspirant or body care liquid products, the smooth movement of the ball can help the product be evenly applied to the skin surface and enhance the comfort of use. POM material has high hardness and low friction coefficient, so it rolls more smoothly and is more durable, while PP material is lighter and suitable for occasions that require a softer touch. This design not only improves the consumer experience, but also helps brands create a higher-end sensory impression.

In addition to performance advantages, POM and PP balls also have good processing performance and cost advantages. PP material is relatively cheap and suitable for mass production, especially for the price-sensitive daily chemical product market. POM has more advantages in scenarios with higher requirements for strength and precision. Although the cost is slightly higher, it is widely used in high-end skin care product packaging. The common point between the two is that both can be efficiently manufactured through injection molding process, with high dimensional accuracy and high yield rate, and are suitable for modern assembly line production.

Both POM and PP are non-toxic and harmless materials to the human body, meet various international cosmetic packaging safety standards, do not contain bisphenol A (BPA-free), and are suitable for direct contact with the skin. This is very attractive to consumers who are increasingly paying attention to ingredient safety and environmental protection concepts. Many brands also emphasize the use of "safe materials" and "non-toxic design" in their packaging promotions, and POM/PP balls just meet this market trend.