Castor oil has been used for centuries as a natural remedy across cultures, from ancient Egypt to traditional Ayurvedic medicine. Yet in modern wellness circles, it often goes overlooked. This humble oil, pressed from the seeds of the Ricinus communis plant, is rich in ricinoleic acid—a unique fatty acid responsible for many of its therapeutic properties.
What makes castor oil especially interesting today is how versatile it is. From improving digestion to supporting skin and hair, its uses extend well beyond the occasional laxative effect people usually associate with it. And here’s the surprising part: applying or consuming small amounts of castor oil before bed may provide gentle, restorative support for multiple aspects of your health.
In this article, you’ll discover 12 research-backed and traditional benefits of using castor oil at night, plus safe ways to incorporate it into your routine.
What Makes Castor Oil Unique?
Unlike many plant oils, castor oil contains a high concentration of ricinoleic acid—a rare omega-9 fatty acid with anti-inflammatory, antimicrobial, and moisturizing properties. Studies suggest that this compound plays a key role in the oil’s effectiveness, whether used internally (in very controlled doses) or topically.
Nutritional breakdown per tablespoon (15 ml):
Calories: ~120
Fat: ~14 g (90% ricinoleic acid)
Vitamin E and antioxidants: trace amounts
Because of this composition, castor oil is often used both as a natural cosmetic treatment and as a functional health aid.
12 Health Benefits of Castor Oil Before Bed
1. Supports Better Digestion
Taken in very small amounts, castor oil acts as a mild stimulant laxative. It helps increase movement in the intestines, relieving occasional constipation. For best results, use under medical supervision and avoid long-term dependency.Buy vitamins and supplements
2. Promotes Restful Sleep Through Relaxation
When massaged onto the abdomen or feet before bed, castor oil may help relax muscles and calm the nervous system. This practice, rooted in Ayurveda, is believed to reduce nighttime restlessness and promote deeper sleep.