What is the difference between plastic and glass bottles for cosmetics

1. Different properties: Plastics are polymer synthetic materials with many types. Cosmetic glass bottles can be made into emerald green, dark green, light cyan and amber glass by using metal ion colorants.
2. Different characteristics: glass bottles are traditional packaging products, which are characterized by bright and transparent, good chemical stability, airtight, easy to form, but heavy star and easy to break. The plastic bottle has good mechanical properties, heavy stars, convenient storage and transportation, easy to carry and use.
3. Different advantages: the chemical inferior glass has good sealing performance, stable chemical properties, and high-grade material, which can effectively ensure that the contents will not deteriorate for a long time, and it is an ideal choice for cosmetic packaging. Cosmetic plastic bottle with permeability, good sealing and high transparency.

At the same time, you should pay attention when choosing cosmetics into containers, and it is not advisable to store cosmetics in direct sunlight or light. Because the cosmetic plastic container is exposed to direct sunlight or light, the water will evaporate, some components will lose their vitality, resulting in aging and deterioration, and because the cosmetic contains a large number of drugs and chemical substances, it is prone to chemical changes due to ultraviolet radiation in the sun. Its effect is reduced, so do not put cosmetics outdoors, on balconies, next to vanity lamps, etc.
When buying cosmetics, try not to take the samples displayed in the cabinet, because they are easily or have deteriorated due to the long-term exposure to the light in the cabinet.
Makeup artists should not be stored in places where the temperature is too high, because the high temperature will not only easily volatilize the water in the cosmetics, and make the cream dry, but also easily separate the β and water in the cream and deteriorate. Therefore, in the hot summer, do not put too many cosmetics in the handbag, and it can be used well in a short time. The suitable storage temperature should be below 35°C.