100% Pure Castor oil can be used as a damaged hair treatment. Apply it to your scalp. Massage your scalp. Any extra can be rubbed on hair. Wrap hair with towel, shower ca[, or hair cap. Leave for 2 hours. Wash and Condition your hair. Or, leave in overnight. [wash/condition next day] Repeat every week. You should see results within 8 weeks. Something will have changed. Thicker hair, moisture, shinier, or healthier feel. Try it. Let me know how it goes.