Vacuum packaging of cosmetics to 3 months finished

Vacuum packing has long been considered as health, aseptic packaging form. Cosmetics is no exception. More and more cosmetics with one of the selling points of vacuum packing, sterile tank, such as vacuum packaging mode by the cosmetics manufacturers agree. But, vacuum really is equivalent to sterile? First of all, the purpose of the vacuum packing is indeed reduce bacterial survival space, extend the shelf life of cosmetics. Theoretically cosmetics after being placed into the box, use the machine to the inside of the air, bacteria lost air it will be difficult to survive, nature also guarantees the quality of the cosmetics during sealing. But whether cosmetics in the process of transportation, production in a sterile state is also important. But in the process of the two, but it is difficult to guarantee the vacuum environment, so the general in order to avoid cosmetics produced a lot of microbes, in the process of production will add preservatives. Added preservatives of cosmetics in the case of improper save the same bacteria can develop. We all know that expired cosmetics cannot be used because preservatives to warranty time, products can produce a large number of bacteria. So be bacterial contamination of cosmetics and use expired, can cause skin irritation, acne, serious still can bacteria infection. And vacuum packaging of cosmetics are relatively common packaging products, air bottles to reduce, can inhibit microbial life, so it can extend the service life of cosmetics. Whether cosmetics have bacteria can judging from the color and smell: product color change lane, or pungent smell become, has said the cosmetics has expired. So, how do we know if their cosmetics is vacuum packing? A simple method is, look at the bottom of the cosmetics bottles, if there is a small hole, is said vacuum packing, no, it is not. So liquid cosmetics can't be vacuum packing. But even the vacuum packaging of cosmetics, also can't fully guarantee is not subject to bacterial contamination. Or follow in addition to the powder products, all cosmetics after opening the service life of the theorem of no more than a month. Editor: xiao-li Chen