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The inner packaging materials of cosmetics are plastic bottles, glass bottles, hoses, etc. The inner packaging materials of different materials have different characteristics and are suitable for cosmetics with different textures and ingredients.

Plastic bottles Plastic bottles are made of a variety of materials, including ABS (acrylonitrile butadiene styrene), PP (polypropylene), PE (polyethylene), PET (polyethylene terephthalate), AS (styrene acrylonitrile copolymer), acrylic, etc. Among them, PP, PE and PET are environment-friendly materials, which can directly contact with the contents; PP and PE are translucent, white in natural color, and can be made into a variety of hardness; PET is transparent, light and soft.

In cosmetics, glass bottles are mainly used for cream, cream, lotion, essence, essential oil and other small products. According to the type of bottle mouth, glass bottles can be divided into wide mouth bottles and narrow mouth bottles. Wide mouth bottles are mostly used in solid cream cosmetics such as face cream and smeared facial mask, while narrow mouth bottles are generally used in aqueous and lotion cosmetics.

Glass bottles are generally used with bottle caps, pump heads, or droppers to better ensure the cleanliness of products. The body of the glass bottle can be sanded, sprayed or screen printed.
The advantages of glass bottles are low cost, while the disadvantages are heavy weight and easy to break. Perfume products often use glass bottles to better prevent liquid volatilization and maintain the smell of perfume.

The plastic hose can be divided into single layer, double layer and five layers according to the number of layers; According to the material, it can be divided into plastic pipes and metal pipes. The most common is the plastic hose, which is the packaging used for ordinary facial cleansers. PE plastic is generally used.

The hose package has good airtightness, which can isolate the outside air and prevent the contents from leaking out. The impermeability of hoses with different layers is different. The hose is generally equipped with a rotary cover or a flip cover, and the tube body can be processed by silk screen and other processes.