Castor oil pack thyroid Reduce pain and inflammation Aids lymph healing Easy to use Just add 1 teaspoon directly to skin or on the pack. Use it for an hour or leave it on overnight   Instructions: STEP 1 Pour 1-2 tablespoons of Castor oil onto the pack or Apply the oil directly to your skin STEP 2 Place your pack over your area of choice and tie in place STEP 3 Wear it for hour a day or ideally overnight.