Milk powder is made from dried milk solids. It has a far longer shelf life as compared to liquid milk. The milk powder itself does not need refrigeration, but when mixed with water it needs refrigeration the same as fresh milk. There are many different kinds of milk powder available in the shops today. One should buy the correct milk powder suiting the age of the baby. It is also extremely important when mixing up a formula to use the correct amount of powder for the weight of the baby. The correct amounts are shown on the label. Milk powders are affluent in protein, vitamins, and minerals that will help in baby's visual and mental development.