Avoid harsh nail polish removers with acetone
Use strengthening base coats sparingly
The Bottom Line
For most people over 40, vertical ridges on fingernails are a normal sign of aging, much like fine lines on the skin. They usually reflect slower cell turnover, mild dehydration, or subtle nutrient changes — not disease.
Think of your nails as a quiet messenger. When cared for properly, they can remain strong, healthy, and attractive well into later years.
If you’d like, I can also:
Compare vertical vs. horizontal nail ridges
Create a simple nail-health checklist
Explain what nail color changes may mean