6. Stay hydrated

Dehydration can worsen dry nails and increase ridges. Drink enough water daily and include hydrating foods like cucumbers, oranges, and watermelon. Proper hydration supports the overall elasticity of your skin and nails.

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 nutritional deficiencies.

The conclusion

Smooth, healthy nails start from the inside out. Prioritize protein, biotin, iron, zinc, omega-3s, and proper hydration. Most importantly, be patient—nails grow slowly and visible improvements can take several months.

With regular diet and healthy habits, your nails can become stronger, smoother and more resilient in a natural way.

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