2) Be gentle with them
“Your nails are delicate, and scrubbing them too roughly can actually expose you to infection. Another no-no: Using metal tools under the nail, too much digging can cause the nail plate to separate from the skin (called onycholysis). It’s a common problem for people over 50, according to Dr. Stern, who is also the developer of the Dr. Dana Nail Renewal System. This could also lead to an irregular white, arching nail tip, explains NYC dermatologist Dr. Janet Prystowsky,” according to Good Housekeeping.