Hello Anja, I am sorry for that confusion. When I stated you can use the "leftover" in my rosemary water article, I intended the leftover from buying a massive bulk bag of rosemary leaves (since there would so much extra leftover). Just note this hair oil does consist of fragrance, https://back-brace05950.blogrelation.com/33239383/best-smelling-hair-oil-reddit-for-dummies