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What is the difference between plastic and glass as cosmetic bottle packaging

General cosmetics are mostly in the form of liquids, creams or creams, and do not have a distinctive appearance. It must pass the exquisite and unique packaging design to show its own characteristics. Therefore, cosmetics generally rely on packaging to achieve good sales. Plastic and glass are currently the main cosmetic packaging container materials, and among them, plastic is the most used.
Although there are many types of cosmetics with different functions, there are mainly the following categories in terms of their external shape and suitability for packaging: solid cosmetics, solid granular (powder) cosmetics, liquid and emulsion cosmetics, cream cosmetics Wait. According to different forms, the packaging forms are different.


As far as the current situation is concerned, because the plastic is light and cheap, it is easy to form a large-scale production, and it can be made into bottles of various sizes, transparent, opaque and various colors, and the printing performance is very good, so it can be used Thermal transfer, inkjet, printing and other methods directly print instructions, logos, and bar codes on the surface of the container. Therefore, plastic products have occupied more than 80% of the packaging market for cosmetics and become the most important packaging container for cosmetics. In the past, cosmetics were generally packaged in glass bottles. However, due to the single variety of glass containers, even if there is a better design concept, it is often impossible to achieve due to the limitations of technology and materials.
However, plastic materials have great advantages in this respect. They are not only rich in sources, but also have good molding properties. They can be manufactured into plastic containers such as bottles, cans and boxes of various structures and shapes, and can be decorated and decorated.
In addition, in recent years, the application of PET resin to cosmetic containers has developed rapidly, leading to a major change in replacing glass bottles with plastics.
But we should also see that although glass bottles account for no more than 8% of cosmetic packaging containers, they still have irreplaceable advantages in this packaging field, and they are still the preferred material for high-end cosmetics in the short term. 


Thorough purity, noble and elegant, is the charm of glass bottles. Compared with plastic bottles, its heavy weight makes people feel more trustworthy; and the unique visual effects of frosted glass bottles are far beyond comparison with plastic bottles.
Cosmetics, especially whitening and nutritional cosmetics, contain a lot of nutrients like food, but they are easily oxidized. This puts forward high requirements on the sealing of the packaging. The barrier of glass bottles is strong, and it is undoubtedly more competent than plastic bottles in protecting the contents.
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