Vertical Nail Ridges After 40: Quick Facts
Thin vertical lines on nails are common with age and usually harmless.
Main Causes:
- Aging: Slower keratin production.
- Dryness: Nails lose moisture over time.
- Nutrient Gaps: Low biotin, iron, or zinc.
- Health Issues: Thyroid problems, poor circulation, arthritis.
See a Doctor If:
- Nails change color (especially dark lines)
- They split, thicken, or hurt
Care Tips:
- Moisturize nails
- Stay hydrated
- Eat nutrient-rich foods
- Use gentle nail care
- Consider biotin (with doctor’s advice)
Ridges are often normal — just watch for unusual changes.
