What are the advantages and disadvantages of plastic lotion bottle and glass lotion bottle?

Plastic lotion bottles and glass lotion bottles have their own characteristics and application scenarios. The following is a comparison of their advantages and disadvantages:
Plastic lotion bottle
advantage
Lightweight: Plastic material is lightweight, easy to carry and transport, reducing logistics costs.
Low cost: The production cost of plastic bottles is relatively low, suitable for large-scale production and mid to low end products.
Good drop resistance: Plastic has a certain degree of flexibility and impact resistance, is not easily broken, and is safer to use.
Strong plasticity: Plastic can be molded through various processes such as injection molding and blow molding, and can be designed into bottles of various shapes and sizes to meet different packaging needs.
Environmental friendliness: Some plastic materials, such as PP and PET, are recyclable and environmentally friendly.
Good chemical stability: plastic materials usually have good tolerance to cosmetic ingredients, and will not react with chemical ingredients in lotion.
shortcoming
Poor texture: The texture of plastic bottles is usually not as good as glass bottles, giving people a feeling of being relatively cheap and not suitable for high-end products.
Air permeability: some plastic materials (such as PE) have strong air permeability, which may affect the shelf life of lotion.
Limited Transparency: Although PET and other plastics have higher transparency, there is still a certain gap compared to glass.
Poor high temperature resistance: Plastic may deform or release harmful substances in high temperature environments, making it unsuitable for hot filling processes.
Appearance prone to aging: Prolonged exposure to sunlight or use may cause scratches, fading, and other issues on the surface of plastic.
Glass lotion bottle
advantage
High quality texture: Glass material has the characteristics of smoothness, transparency, and good texture, giving people a high-end and exquisite feeling, suitable for high-end cosmetics packaging.
Good sealing property: the glass has good sealing property, which can effectively prevent the volatilization and oxidation of lotion and extend the shelf life.
High chemical stability: glass has strong resistance to cosmetic ingredients, will not react with chemical ingredients in lotion, and can better protect the product.
High transparency: the transparency of glass is extremely high, which can clearly show the color and texture of lotion and increase the attractiveness of the product.
Recyclability: Glass is a recyclable material that is environmentally friendly.
shortcoming
Fragile: Glass material is brittle and prone to breakage, requiring special care during transportation and use, which increases the risk of damage.
Heavy weight: Glass bottles are much heavier than plastic bottles, which increases transportation costs and inconvenience of carrying.
High cost: The production and processing costs of glass bottles are relatively high, making them unsuitable for low-end products.
Difficult processing: The shape and design of glass bottles are relatively limited, and complex shapes are difficult and costly to process.
Safety issue: Broken glass fragments may cause harm to users and pose certain safety hazards.
summary
If it is a high-end product, pay attention to texture and quality, and the product ingredients need better protection, glass lotion bottle is a better choice.
If it is a medium and low-end product, cost and portability need to be considered. At the same time, the chemical stability of the packaging is not required for the product composition. Plastic lotion bottles are more economical and affordable choices.