This treatment can be used to darken the hair naturally. Make an infusion of 1/2 cup of dry sage leaves in 2 cups of water, and steep for 2 hours. Strain, and pour over hair. Leave tea on hair for 1/2 hour, and rinse. This treatment is an ideal natural treatment to help cover grey hair. Use daily for best results, and utilize weekly for maintenance. Sage is an astringent, and is also used in facial steams and skin conditioners.