What are the differences in the materials of cosmetic bottle packaging

Bottles are the most common and most used cosmetic container. This is mainly because cosmetics are mostly liquid or viscous pastes with relatively good fluidity. Therefore, the use of bottles can well contain and protect the contents. Things. The capacity of the bottle is large or small, which can meet the needs of a variety of cosmetics. The shape of the bottle is ever-changing, but no matter how it changes, it is also a change or combination of geometric bodies. The most important ones are cylinders and cuboids, because the vertical load strength and internal pressure strength of such geometric bottles are better. The bottle body usually does not have sharp corners or sharp edges, and a smooth line shape with a gentle transition is adopted between the parts. This design can also give people a soft feeling. It is not only related to the shape and texture of the packaging, but the protection of the packaging is mainly achieved by selecting suitable materials. The packaging materials for cosmetics mainly include the following:

1. Plastic
At present, the plastics used for cosmetic packaging mainly include: PET, PE, PVC, PP, etc. Among them, PET was mainly used for water and beverage packaging at first, but due to its high strength, good transparency, good chemical stability, and barrier properties With its advanced features, it has been widely used in the packaging of creams, lotions, lotions, etc. in recent years.

2.Glass
As a packaging material, glass has many valuable properties, such as transparency, heat resistance, chemical stability, and excellent barrier properties. It can be made into packaging containers of various shapes and sizes by a variety of molding methods, and is mainly used in various Perfume and some high-end cosmetics cater to female consumers with their crystal clear beauty.

3. Metal
Metal has good barrier properties, especially aluminum has a very strong barrier to water and oxygen, which can play a good role in protecting the contents. It is mainly used in some essential oil-added skin care products, moisturizing spray metal cans, and On the packaging box of some make-up.