Castor oil. Castor oil's healing properties, ailments used for, how to make and use a castor oil pack.
Remedy (new) posted by David Niven Miller of Perth, WA, Australia on 23 April 2010 at 19:17 87
YES Gently spread castor oil over the injured area. This will reduce pain, swelling and bruising, and speed the healing. Note: if you are going to use apple cider vinegar then apply it first, as the oil will stop the skin absorbing anything else.