You can either stretch the skin with the help your fingers or by keeping your mouth wide open.

You can either stretch the skin with the help your fingers or by keeping your mouth wide open. If you follow these steps systematically and carefully, then you will easily get the hang of it within a week. If the weather is warm enough, you can wash your face with cold water to ward off any minor skin scratches. Remember, there is a possibility that you might cut your skin, so keep an antiseptic handy. Some women who were prescribed prenatal vitamins have observed that the thickness of their hair along with the length had improved over a certain period. There have been a couple of studies which were carried out to find out the link between prenatal vitamins and hair growth. Out of them, some speak in favor of prenatal vitamins, while others are inconclusive. However, there are certain reasons due to which prenatal vitamins promote hair growth and arrest hair fall. Prenatal Vitamins - Hair Growth People who face problems with hair growth always ask if prenatal vitamins are good for hair growth. Some studies have shown that prenatal vitamins and hair growth indeed go hand in hand and these vitamins have positive effects on hair growth. Prenatal vitamins contain large amounts of folic acid, iron and calcium, which are essential for a mother-to-be and the growing fetus. These vitamins are similar to any other multivitamin, it's just that the quantity of folic acid and iron is higher in prenatal vitamins as compared to other multivitamins. Many studies have shown that folic acid aids hair growth. It also helps in regenerating cells which have died up a while ago. Iron supplements in prenatal vitamins helps in formation of new cells. It also helps in producing new blood to supply nutrients and oxygen to all parts of the body.  http://www.dermayouth.org/beard-czar-review