In a saucepan, bring water to a boil.
Add the tea, sage, and rosemary. Let simmer for 15–20 minutes.
Remove from heat and allow the mixture to cool completely.
Strain the liquid and transfer it into a spray bottle or bowl.
Apply generously to clean, dry hair, focusing on gray roots.
Leave on for at least 30–60 minutes, or overnight for deeper results.
Rinse with cool water (do not use shampoo immediately).
Serving and Storage Tips:
