Our all-natural hair serum is made with a deep conditioning and hair strengthening blend of Argan, Avocado, and Castor Oil with pure essential oils. Castor Oil is believed to help promote hair growth and help nourish and strengthen the hair shaft. Ingredients: Argan Oil, Avocado Oil, Castor Oil, Rosemary & Geranium Essential OilsNet Weight: 2 oz.