Dehydration can worsen nail dryness and exaggerate ridges. Drink enough water daily and include hydrating foods like cucumbers, oranges, and watermelon. Proper hydration supports overall skin and nail elasticity.
When to See a Doctor
While diet can improve nail health over time, sudden changes—such as deep horizontal ridges (Beau’s lines), dark streaks, or painful nail changes—should be evaluated by a healthcare professional. These may reflect underlying medical conditions rather than simple nutrient gaps.
The Bottom Line