Asked for male, 25 years old from Guwahati
Premature greying of hair became nowadays very common, due to the unhealthy food habits, irregular timings of intake of food, sleep, more stress everywhere, more pollution, lack of proper nutrition in the diet which is being taken, etc. Hereditary also plays imp. Role, n any skin diseases, vitamin deficiency also may be the reason.
Try to take proper nutritious food, mostly proteinaceous, vit b enriched. Means take all vegetables, fruits as much as you can, plenty of water, good sleep, avoid stress by practising yoga, meditation, exercises, etc, regularly,
apply methi [fenugreek seeds paste with curd over head, before taking head bath, try to take minimum 8-10 fenugreek seeds daily with empty stomach, in morning, apply hair oil[coconut or olive oil or castor oil], boiled with fenugreek seeds, hibiscus flowers, few flakes of garlic, n then apply over the hair for 2 hrs before head bath, or keep over the night.
Homeopathically, you can try jaborandi hair oil.
Other than this you can also add taking homeopathic medicines.