Any classical guitarist can tell you from experience that busting up your fingernails is no fun. It’s usually not until the next day’s performance when the tenderness and soreness really takes effect. Not only is maintaining your nails good for your overall hygiene, it is essential for playing fingerstyle guitar.
Here’s a brief overview to help you keep your fingernails in great condition for playing classical guitar, as well as a few suggestions on how to protect them from harm.
Original Source: Maintaining your Nails for Classical Guitar