There is no exact reason for graying of hair, but there are some factors which cause this problem. Further all such factors have been explained.
If there has been such a problem with the parents or any generation in the family, then it can continue in the future.
Deficiency of minerals like iron and copper can also lead to premature graying of hair.
Most people suffering from Vitamin-B12 deficiency in the body have seen the problem of graying of hair at an early age.
Research has shown that the hormones (adrenaline and cortisol) produced during stress affect the melanocyte cells, due to which the hair starts turning grey.
Hair color is a side effect of drugs like chloroquine (malarial drug), triparanol (cholesterol-lowering drug), digoxin (psychiatric drug), etc.
Use Kesh Art Bhringraj Hair Oil and prevent hair from turning grey.