The nails undergo variable growth according to age. Different factors can influence the speed of its development, such as the use of a certain type of shoe, bad vascularization on the fingers or microtrauma which can slow down the growth and stimulation of cells. But why do nails fall out or get damaged and deteriorate? If a nail breaks off, it takes about three months to grow back. However, the nails grow much more slowly, taking six months to a year, so in many cases it is necessary to use the professional manicure and pedicure set to maintain the protection of the fingers …