You may have heard that using castor oil can help to improve your hair. If you have hair loss, you may be willing to try anything to find a result that improves your looks and gives you the full head of hair you want. Castor oil is a unique product. It does have some key benefits to offer to your scalp, and potentially your hair, but you need to be careful about using it. Though there are many promises about how it works and when it works, there is very little science behind it to prove it does. There is much to know about this product.