How to judge whether skin care products, as well as the method of storage

Skincare products in the environment of the temperature change would quietly change, usually, more than 37 ℃ high temperature causes of character changes maintain article, makes the moisture to evaporate, easy to make the cream of oil-water separation and texture change phenomenon, if coupled with direct exposure to the sun's ultraviolet rays, still can make some oils and spices produced oxidation phenomenon at the same time destroy the pigment, could make some ingredients lose vitality, result in product failure or deterioration in advance. Determine whether the metamorphic cosmetics, can according to the method given below, if the answer is yes, then indicate may spoil the product. 1. If liquid cosmetics, you can have a look at the flocculent floater in a liquid, or a color change, and comparing with bottle before the product properties. 2. If it is cream and emulsion products, whether can look for the product color have change, if there is peculiar smell, if uneven becomes thick. 3. Look at the cosmetics packaging especially bottle ever appear black mildew. 4. A bottle before have a look at the packaging is complete, the bottle and the hose, etc. If there is any breakage, if any, increases the chance that the product deterioration. In addition, in order to avoid deterioration, when choosing cosmetics, need to look at the shelf life of product, it is best not to select the product that close to the expiration of the warranty, lest after a bottle was unused to the shelf life. At the same time, also must pay attention to the product on a bottle of time, the best time in a bottle with finished product. Unless protect skin to taste, in general, there are special instructions, otherwise there is no need to put them frozen in the refrigerator. Because some cosmetics at low temperatures may oil water separation. In addition, if the refrigerator to store food, the microbial content in the refrigerator may not low than the general indoor environment, moldy could also increase the opportunity. If you want to cosmetics to long-term storage, can be wrapped in plastic bags will be products, preservation, placed in the shade or in the refrigerator freezer, but the premise is that make sure cosmetics in long-term frozen environment not oil water separation or caking.