Now actually the means "repair". In the specialized cosmetic shops selling so-called "patch" for the nails. This small piece of silk fabric milky, which is specially designed to repair nails. It is also worth to buy in store for them glue. Cut a small piece of tissue necessary to cover the damaged area, and soak it well this glue, and then gently apply to the site of fracture. Take advantage of special wooden stick to press the patch to the nail and allow it to gain a foothold.
Wait until completely dry patch on the damaged area and then carefully sand the entire surface of the nail to even fix the place with the general level. Then cover the nail transparent or colored varnish to patch kept even better. This method is the most cheap and easy, especially because all the materials can always carry with them.
If you Naroscheny nails, then repair to carry a bit more complicated. For artificial nails, you can use the above method, but it will save you time only. Should still apply to a professional. If you often suffer from nail breakage, pay attention to nail gel. It is a safe method that protects and strengthens your nails, preventing damage or fissuring. Also for natural and artificial nails gel patches are effective, which can be done in any nail salon.