Choose the Earth's Nectar Green Olive and Lavender Scalp Oil ($19) if you want the antioxidant-rich olive seed oil to fortify and soothing lavender to condition hair and calm itchiness. Or there's the Earth's Nectar Mint Leaves Scalp Oil ($19) with cooling peppermint (to improve circulation), hair-strengthening rosemary, and moisturising almond and jojoba oils.