What Vertical Lines on Your Nails Can Reveal About Aging

Other Possible Causes of Vertical Nail Lines

Although aging is the most common explanation, other factors may contribute to the development of nail ridges, including:

1. Dehydration

Dry nails are more likely to develop noticeable ridges. Drinking enough water and protecting your hands from harsh chemicals may help improve nail appearance.

2. Nutritional Deficiencies

Healthy nails require a variety of nutrients, including:

• Iron
• Zinc
• Biotin
• Vitamin B12
• Protein

A lack of these nutrients may contribute to brittle or uneven nails. However, nail changes alone cannot diagnose a deficiency.

3. Minor Nail Trauma

Frequent typing, manicures, gardening, or accidental injuries can affect nail growth and temporarily change the nail’s surface.

4. Certain Skin Conditions

Conditions such as eczema or psoriasis may affect the nail matrix, leading to ridges or other nail changes.