Premature greying of hairs is an abnormal condition of hair. It makes even younger chap looks older. Normally as age advances the hair has tendency to lose its natural colour. Sebum is an oily source which is secreted by sebaceous glands of scalp and provides nutrition to the hair roots for lustres hair, black pigmentation, lengthening of hairs etc.
PREVENTS THE CULPRITS
Throw away mental worriness, make your sleep complete, have enough of water daily, lack of vitamins B, iron, copper, iron in the diets. Other contributing factors are unclean condition of scalp, using hot water for washing hair, using electric dryer, using harsh shampoo and soap for hair and another unavoidable predisposing agent is heredity background.
SAVE THEM WITH
* MASSAGE scalp often with cold water or homemade oil which activates sebaceous glands and enhance the blood circulation.
** Let your last hair rinse be with MARGOSA LEAVES (neem) decoction which stabilize its blackness.
*** Regular intake of CURRY LEAVES in any form is advice sable. In which they also prevents greying and maintain its black pigmentation.
**** Reconsider your daily intake, giving more importance to thinks which has richly in VITAMINS B, IODINE, IRON etc. such as cabbage, cauliflower, broccoli, mushrooms, soya bean, brown rice, sunflower seeds, and green leafy vegetables, etc.
***** Above all include my previous suggestion on ## ANSWER 2 HAIR FALLS.
+++ There are many more just try them first. I'll be there with your more SAVE THEM WITH.