A Doctor Reveals Which Castor Oil Benefits Are Real and Which Are Wishful Thinking
Fans of the vegetable oil claim it can reverse fatty liver disease, boost hair growth and more
Scroll through TikTok lately and you might see people rubbing castor oil on their stomachs, claiming the inexpensive drugstore staple can reverse fatty liver disease, ease constipation and even promote hair growth. With millions of views and countless testimonials, it’s tempting to wonder: Could something this simple really live up to the hype? We asked a doctor to separate fact from fiction and share exactly what castor oil benefits hold up and how you can use this affordable oil to support your health.
Can castor oil really reverse fatty liver disease?
Castor oil is a plant-based oil extracted from the seeds of the castor bean plant and commonly used in both medicinal and wellness products, explains Gina Maccarone, MD, FACS, a triple board-certified cosmetic surgeon and founder of The Surgeonista. If you’ve recently been diagnosed with fatty liver disease—which occurs when excess fat builds up in liver cells, often due to metabolic issues such as high blood sugar, insulin resistance, excess weight and high cholesterol—you may be wondering whether simply swapping your daily lotion for castor oil could be the inexpensive hack you’ve been missing. Dr. Maccarone has a clear answer.
“Despite what you might see online, rubbing castor oil on the stomach will not treat or reverse fatty liver disease,” explains Dr. Maccarone. “The liver is a deep internal organ, and topical oils simply do not penetrate in a way that would change liver metabolism.”
Woman's World Answers
She adds that drinking castor oil also won’t help reverse fatty liver, though it may support your health in other ways. So what does make a difference? “What actually helps fatty liver is far less trendy but very effective: improving diet quality, increasing physical activity, managing blood sugar and in many cases, losing about five to 10 percent of body weight,” Dr. Maccarone explains.
4 science-backed castor oil benefits
While Dr. Maccarone notes that castor oil isn’t a magical cure-all, the oil still offers several health benefits. Some highlights;
Moisturized skin
If your skin has been feeling drier later (menopause, anyone?), castor oil may be just what you need. “Castor oil can be a very effective moisturizer because it creates a barrier that helps lock water into the skin,” says Dr. Maccarone. “Its ricinoleic acid content also gives it mild anti-inflammatory properties, which can help soothe irritated skin.”
Healthier hair
Tried just about every oil on the market claiming to help you achieve healthier hair with no results? It may be time to give castor oil a try. Dr. Maccarone says that while it likely won’t stimulate new hair growth, it can support the health of the hair you already have. “It’s commonly used as a conditioning oil for hair because it coats the hair shaft and reduces breakage,” adds Dr. Maccarone.
Regular bowel movements
Constipation isn’t just uncomfortable. When left untreated, it can sometimes lead to bigger health problems such as hemorrhoids or irritable bowel syndrome. If other remedies haven’t worked for you, it may be worth considering castor oil. “When taken orally in appropriate medical doses, it acts as a stimulant laxative that increases intestinal movement to relieve constipation,” explains Dr. Maccarone.
Faster wound healing
The next time you’re looking for something to help heal a small cut, reach for a bottle of castor oil. “Some research suggests it may support minor wound healing because of its antimicrobial and anti-inflammatory effects, though it’s not a substitute for proper wound care,” notes Dr. Maccarone.
How to tap into the health benefits of castor oil
If you’re planning to use the oil for hair or skin care, Dr. Maccarone recommends applying castor oil directly to your cuticles, skin or scalp. “Because it’s very thick, many people mix it with lighter oils [such as jojoba or coconut oil]” she explains. “Applying it to the stomach or the navel [belly button] specifically does not provide unique health benefits, despite what social media trends suggest.”
If you’re interested in castor oil for constipation, you’ll want to take a food-grade or pharmaceutical-grade version. “Castor oil can be taken orally, but it functions as a laxative and should be used occasionally and in appropriate doses rather than as a daily wellness practice,” adds Dr. Maccarone.
Important safety considerations
Dr. Maccarone says topical castor oil is generally safe, but she recommends doing a small patch test before using it widely to check for possible irritation or allergic reactions.
“The bigger concerns come with oral use,” says Dr. Maccarone. “Because it’s a stimulant laxative, it can cause abdominal cramping, nausea and diarrhea, and frequent use can lead to dehydration or electrolyte imbalances. It’s something that should be used sparingly and purposefully rather than as a daily supplement.”
She adds that people who are pregnant, have gastrointestinal conditions or take medications that affect digestion should speak with a doctor before using castor oil orally.
The bottom line on the health benefits of castor oil
While castor oil won’t treat fatty liver disease, it can be a helpful addition to your wellness routine for skin, hair and digestive health. Just remember: When it comes to serious health concerns, the most effective solutions are often the simplest—eating well, staying active and working with your doctor to create a plan that’s right for you.
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