Dilute rosemary essential oil with a carrier oil like coconut or jojoba oil, then massage into your scalp.
Brew a strong infusion of rosemary tea, let it cool, and use it as a final rinse after shampooing to add shine and strengthen hair.
Make your own infused oil by steeping dried rosemary in a carrier oil like olive or almond oil for several weeks.
Mix crushed fresh rosemary leaves or rosemary essential oil with yogurt or honey to create a nourishing hair mask. Apply for 30 minutes and rinse.
Boil fresh rosemary in water, let it cool, strain, and pour into a bottle. Use as a refreshing hair mist to add volume and fragrance to your hair.
Add a few drops of rosemary essential oil to your favorite conditioner for an extra boost of nourishment and scent.