How to preserve skin care products after opening?

Skin care products should be sealed and stored in the refrigerator after opening. In particular, canned liquid skin care products should be kept in the refrigerator at constant temperature. The temperature of the insulation layer in the refrigerator is very low, but it will not freeze at this temperature, so the skin care products will become more stable at this constant temperature and will not deteriorate due to temperature changes. \x0d\ Therefore, if the skin care products are not used up in time, or when the weather is hot in summer, they should be kept in the refrigerator. Generally speaking, it is best not to use skin care products for more than half a year after opening. Once more than half a year, skin care products are more likely to breed bacteria. Humid environment is a taboo for skin care products, especially powdery skin care products, such as clean flour. If you are exposed to moisture in a humid environment, it will affect volatilization and cause caking. In humid air, these powdered skin care products will deteriorate rapidly and bacteria will multiply more. \x0d\ When using lotion, you can use a cotton pad to assist skin absorption, but at the same time, you should also pay attention to putting the cotton pad in a cool, dry and ventilated place to avoid contact with humid air and pollution. Using a clean cotton pad to assist the lotion can make the skin absorb more, and it will not easily expose the lotion to the air. \x0d\ essence will be stored for a shorter period of time. Generally, 28 days is a period to maintain its activity. It is best to use up the essence, especially the sealed essence, within two weeks. \x0d\ For more information about how to preserve skin care products after opening, please visit:/ask/2f23511615823630.html? Zd view more content