Uncover the truth about vacuum packaging for skin care products
Using a cotton swab instead of a finger to take a face cream is both clean and saves, and is well known. In order to be more convenient and hygienic for use, more and more cosmetics do their homework on the packaging, vacuuming, compression pumps, and aseptic chambers... but under these very design sensations, the tightness of the packaging remains to be examined. Is it really sterile?
1. Is vacuum packaging equal to aseptic?
The purpose of vacuuming is to delay product deterioration. After the cosmetic product is filled into the bottle, the gas is pumped out through the machine, so that the bacteria loses the hotbed of survival. However, whether or not bacteria enters depends on the production process of the cosmetics and the preservation of the products. The process of making cosmetics is not a vacuum environment, so buying a regular and qualified cosmetics can guarantee hygiene and safety. In order to avoid the growth of bacteria when used, raw materials will be added with preservatives at first, but if they are not properly preserved, they will deteriorate.
2. How to judge whether cosmetics breed bacteria?
Bacteria-contaminated cosmetics are as scary as outdated cosmetics, but acne can cause long acne, and it can cause purulent infections and infections, especially for sensitive skin. When cosmetics begin to turn yellow or the odor becomes pungent, the product begins to deteriorate and cannot be used anymore.
3. Can vacuum-packed cosmetics really last longer?
After the vacuum is drawn, the oxygen in the bottle is reduced, which can prevent oxidation of the components, stabilize the activity of the components, and inhibit the survival of the microorganisms, thereby prolonging the storage time. However, the skin care product is a liquid and it is not possible to completely evacuate like a solid, so the extended preservation time is limited.
4. Does it look like the sealed package is vacuumed?
Unfortunately, most seemingly sealed packages are not vacuumed. Judging whether it is a vacuum bottle or not, just look at the pores at the bottom of the bottle. After covering the bottom hole of the bottle, the bottle pump cannot be squeezed. Most sealed packages remove the remaining air after production and do not really vacuum. Our common spray is a design that uses nitrogen to pressurize the bottle. It is also not a vacuum.
5. What is the principle of packaging for "compression pump" and "sterile tank" design?
"Compression pump" is not the basis for judging whether or not the vacuum is available. The presence of air holes in the bottom of the bottle is the key. If there is no air hole, it is a general compression pump design that only squeezes liquid out of pressure. Another "aseptic tank" design claims to be safer than vacuum, which is the design of hoses and special caps. This design can see the body of the hose after use gradually shrinking. When it is used for extrusion, it will not back up the air, so it will not allow the emulsion to flow back and prevent contamination.
6. Can the unused cosmetics be vacuumed?
You can put the bottles together in a vacuum bag, and then pump out the air. The significance of this preservation is only to delay the deterioration of the skin care product when it is not used for a long time, but it cannot really ensure the sterility of cosmetics. Nursing products with high nutritional activity are generally recommended to be used within 3 months after opening. When placed in a vacuum bag, the active ingredients reduce the contact between oxygen and sunlight and can be stored for an extended period of about 1 month.