Healthy nutritious food<br> Lots of water

Hi<br> Due to deficiencies in Melanin pigment that results in greying early. Take healthy diet and keep yourself hydrated. You can try Thrive co's Anti greying prime serum that boosts melanin production. This helps reduce greying of hair

Hey richa, you can apply heena if your are looking for a natural organic solution else you can color your hair with any color which suits your hair texture. However it would be lasting for 3 to 4 months. Understand that greying is a natural process so to delay the process is we can look forward for it.