As a kind of fashion consumer goods, cosmetics need high quality packaging materials to improve their value. At present, almost all kinds of materials are used in cosmetic packaging, among which glass, plastic and metal are the main materials currently used, and cartons are often used as outer packaging. Developing new materials and new processing technology and pursuing new modeling are always the key points of cosmetic packaging container development.
Glass has a great advantage in the field of high-grade cosmetic packaging. Its transparency and smoothness are incomparable with plastic bottles. The charm of glass bottles lies in its thoroughness, purity, nobility and elegance. For high-grade cosmetics or volatile and volatile cosmetics, such as perfume, glass bottles are generally used. Whitening, nutrition series cosmetics, but they are extremely oxidized. This puts forward high requirements for the sealing of packaging materials. Glass bottles have strong barrier, and are undoubtedly more competent than plastic bottles in the protection of contents.
However, the variety of glass containers is single, even if there is a good design idea, due to the limitations of technology and materials, it is often unable to achieve. Due to the inherent disadvantages of glass (heavy weight, easy to get drunk, etc.), for general cosmetics, plastic containers or composite containers are often used.
At present, most of the middle and low-grade cosmetic packaging has been replaced by plastic bottles, plastic bags or plastic pipes. The application ratio of glass bottles is less than 8%. Glass has irreplaceable advantages and is still the first choice of high-grade cosmetics in the short term.
In recent years, with the improvement of glass processing technology, the quality and weight of glass bottle produced by computer-aided design of glass bottle mould and enhanced lightweight technology are improving, and the transparency and surface finish are further enhanced. In the post-processing, the glass surface can be matted, painted, color printed (up to 7-8 colors), carved, etc., greatly improving the glass bottle and added value.
Plastic is light and cheap, easy to form large-scale production, can be made into various specifications, transparent, opaque and various colors of bottles. The printing performance is very good. The instructions, identifications and barcodes can be directly printed on the surface of the container by means of heat transfer printing, ink-jet printing and other methods. The plastic containers with good performance can be made into bottles, cans, boxes and other plastic containers with various structures and shapes. There are various shapes of cosmetic capsules, including spherical, olive, heart-shaped and crescent shaped, with various colors, such as crystal clear, colorful and pearly. The appearance is very attractive. These packages bring consumers a safer and more convenient way of consumption.