Mix henna powder with water to form a paste, and then apply it to dry hair. Henna impart a reddish tint colour to your hair.
Indigo powder, derived from the indigofera plant, is another natural option. Indigo produces more of a bluish-black tone.
Brew a strong pot of tea and allow it to cool. Then, pour the tea over clean, damp hair or use it as a rinse after shampooing.
Brew a strong pot of coffee, allow it to cool, and then apply it to damp hair. Leave the coffee in your hair for some time before rinsing it out.
Boil Walnut shells’ powder in water and allow the mixture to cool, strain out the solids, and then apply the liquid to damp hair.