10 herbal remedies that treat for premature greying beard. Are you suffering from greying beard? The reason for white hair or beard is unnecessary breakdown f the melanin. The reasons for that are iron and copper deficiency, heredity, smoking, stress and anemia. What should you do? Change your dietary habits. Add protein and iron. Stop smoking, do regular exercises, avoid stress. Test if you have any side effects from these herbals before you using it.If not any changes get medical advices. Amla and coconut oil Amla is rich in vitamin C. Mix 1 tablespoon of amla juice to half a cup of coconut oil. Massage it to your beard. Put it overnight and rinse in the morning. Do this once a week.