Nutrient-Rich Diet Eating a well-balanced, nutrient-rich diet is crucial for overall health, and it directly impacts the health of your hair. Ensure your diet includes a variety of vitamins and minerals such as iron, zinc, vitamin A, vitamin E, and biotin. These nutrients support hair growth and strengthen hair follicles. Stay Hydrated Proper hydration is essential for overall health, and it also has a positive impact on hair health. Dehydration can make hair more prone to breakage and dullness.