Here is some information from Dr. Berg about the amazing uses of castor oil. I use castor oil packs, I use it in my homemade facial serum, hair growth serum, and as a moisturizer. This barely touches on the many medicinal uses of castor oil! If you use castor oil, let us know how and why! One of my favorite uses for Castor oil is my homemade anti aging serum, for dark circles under your eyes (yes it works, I have a testimony), for sports injuries, and for my lower back pain. If you have any ques