For Dandruff
Take two tablespoons of black pepper and soak it inn water overnight,
make it as paste and apply on your scalp and leave it for half an hour then
take hair bath with herbals.(sehakai,moon dal soapnut and so on)
Take mint leaves juice and apply on the scalp and leave it
for a while and take bath.
Those have dandruff, they should drink plenty of water.
Try to reduce in taking of oil foods and coke items.
You may apply small onion juice and mustard seeds paste
too.
Try to take hair bath trice in week.
Thank you