the direction, color, depth, and number of lines is more useful than simply noticing that a line exists.
Vertical Ridges: Often a Normal Part of Aging
Vertical ridges are probably the most common type of nail line.
They extend from the cuticle toward the end of the nail and may become more noticeable with age. For many people, they are simply part of normal changes in the nail.
Dry nails and repeated exposure to water, soaps, detergents, or other irritants can also make ridges appear more prominent.
If the ridges
