Colour your hair with the goodness of henna. Unlike synthetic colours henna does not contain any harmful chemicals and can give you the desired hair colour you want. It contains compounds that stain the hair a dark red or brown colour and this makes it a wonderful natural hair dye. All you need to know is the correct ingredient to add in the mixture. We give you tips on how to get the right shade. Black For black hair that has gone grey use henna in combination with sesame (gingelly or til) oil and curry leaves. Boil some sesame oil add