When they originate from the hyponychium they can cause nail elevation and onychauxis (abnormal overgrowth and/or thickening of the nail) (see Figure 6) (Tosti & Piraccini, 2001). Most often ...

Learn more If you're a press-on nail wearer, you know the struggle of the poor-quality pairs of the past that pop off after a simple task like washing my hands or opening a soda can. Thankfully ...

Ridges in nails can develop due to a current or past illness or injury. A healthy nail is typically smooth or has barely perceptible vertical lines running from the cuticle to the tip. When there are ...

A black line on the nail could be normal, such as when it is just a color variation. Other possible causes range from injury to certain medications for conditions like human immunodeficiency virus ...