Translations. 1  Arabic: please add this translation if you can. 2  Armenian: please add this translation if you can. 3  Chinese: Mandarin: æ²ç² (zh), æç² (zh) (pÅ«fÄn), æ»ç³ç² (zh) (huÃ¡shÃ­fÄn), ç½èº«ç² (zh) (shuÇngshÄnfÄn)  Esperanto: please add this translation if you 1  can. Finnish: talkkijauhe.  Italian: borotalco (it) m, talco (it) m.
1 Protect your hands when it's cold outside to keep your nails from getting brittle and give them the chance to grow long.  Get plenty of sun, even in the winter, since the sun helps your body create the vitamin D your nails need to grow faster.
Possible Causes. Vitamin Deficiency. Dents in fingernails can be a sign of vitamin deficiency, especially of Vitamin B12. A diet that lacks in essential nutrients can lead to various nutritional deficiencies and dent in fingernails is a very frequent sign of these nutritional deficiencies.