Number five: joint comfort. The anti-inflammatory properties of castor oil may ease minor stiffness. Some traditional uses suggest it can help with joint aches. Massage a small amount onto sore joints before sleeping. One reader, Betty, a 69-year-old gardener, said this soothed her knees. Here’s a mini-hook: curious how it might improve your rest too? Keep reading.
Number four: circulation support. Castor oil may improve blood flow when applied topically. Research indicates this could help with leg swelling. Apply to your legs and cover with a cloth overnight. Consult a healthcare professional if you have circulation issues.

Number three: hair health. The oil’s nutrients may strengthen hair follicles. Some anecdotal reports suggest it can reduce hair thinning. Rub a few drops into your scalp before bed. Check with your doctor if you have scalp conditions.