Made with powerful, all-natural ingredients like avocado oil for deep hydration, black castor oil for growth, and rosemary and sage oils to awaken your scalp. About Nourish Scalp Serum Great hair begins at the roots. Cherie Simone Beauty Nourish Scalp Serum feeds the scalp with pure oils and moisture-amplifying essential oils to foster hair growth. Ingredients: Coconut oil, avocado oil, Black castor oil, rosemary oil, peppermint oil, saw palmetto oil, vanilla. 1 oz. (30 ml) How to use Nourish Scalp Serum Dispense a few drops of oil directly onto the scalp. Massage thoroughly into scalp and hair. Use on dry or itchy scalp, or as a hot oil treatment to foster hair growth.