Coriander oil can have several benefits for your hair, including: Hair growth Coriander contains antioxidants that can improve blood circulation to the scalp, which can help promote hair growth. You can try massaging a coriander-infused hair oil into your scalp regularly. To make coriander-infused oil, you can soak coriander leaves in coconut oil for a few days. Hair loss prevention Coriander seeds can help prevent hair loss by stimulating hair follicles. You can try massaging your scalp with a hair oil containing powdered coriander seeds. Scalp sensitivity Coriander seed oil contains ingredients like petroselinic acid, linoleic acid, phytosterol, and vitamin E, which can help calm sensitive skin and prevent itchiness.