Castor oil and its health benefits

Evidence Based Research Based
Medically reviewed by - Dr. Tez Pratap Singh, MD Written by - Dr. Diksha Sangle


What is castor oil?

Castor oil is a vegetable oil derived from the seeds of the castor oil plant, scientifically known as Ricinus communis. It has been used for various purposes.1Overview| Researched based study from

In this article, we will explore more about its composition, benefits, usage, and risks.

Castor oil is a vegetable oil derived from the seeds of the castor oil plant, scientifically known as Ricinus communis. It has been used for various purposes.


Composition of castor oil


  • Triglycerides, which are made up of three fatty acids esterified to a glycerol molecule, make up the majority of it. Ricin oleic acid is the predominant fatty acid, making up between 85 and 95 percent of the oil’s consumption.3Composition| Researched based study from 1Composition| Researched based study from

Fatty acids

  • Even if they are in lower levels, other fatty acids, including oleic acid, linoleic acid, stearic acid, and palmitic acid, also contribute to the oil’s properties and uses.


  • It could also have traces of other substances, such as colors, tocopherols (Vitamin E), and sterols.
  • Protein and carbs are not present in large quantities in castor oil.
  • Mineral content could be higher.3Composition| Researched based study from


Health benefits of Castor Oil.

Health benefits of castor oil

Moisturizes the skin

  • It is frequently used as a natural skin moisturizer. It aids in moisturizing and nourishing the skin, making it supple and soft. Skin that is dry and rough can be treated topically using it.

Enhances the health of hair

  • It is well known for its possible advantages for healthy hair. It may be applied to the scalp to hydrate it, encourage hair development, and enhance the quality of hair strands. Hair masks, conditioners, and serums frequently include them.

Good for bowel movements

  • It’s been used as a natural laxative for a very long time. It stimulates bowel movements and can be used as a sporadic constipation treatment. However, it needs to be used sensibly and under medical supervision. It may also provide relief from bloating, gas, and constipation.2Benefits| Researched based study from

Promotes growth of eyelash and eyebrow

  • Some people use castor oil on their brows and eyelashes to encourage growth and thickness. It’s said to hydrate the hair follicles and enhance the look of those areas.

Provides relief from pain and inflammation

  • Because of its anti-inflammatory qualities, it can be used topically to ease pain and inflammation. It is frequently applied during massages and as a pain reliever for joints and muscles.

Helps in wound healing

  • Its moisturizing and antibacterial qualities may aid in wound healing. It can accelerate healing and stop infection in minor burns, scrapes, abrasions, and wounds. However, it is essential to remember that a doctor should continuously assess and treat serious injuries.2Benefits| Researched based study from

Provide relief from microbial infections

  • It shows antimicrobial efficacy against certain fungi, bacteria, and also viruses. It may be used topically to cleanse and protect the skin against infections as a natural cure for acne or fungal infections. It can help reduce the growth of bacteria on the skin and control sebum production.

Muscle and joint pain reliever

  • Because of its analgesic (pain-relieving) qualities, it has been used topically. It may be administered to joints and muscles to lessen swelling and ease discomfort from rheumatoid arthritis, muscular strains, or arthritis.2Benefits| Researched based study from

Provides relief from menstrual discomfort

  • Anecdotal data indicates that applying castor oil packs to the lower abdomen may help reduce period cramps and encourage regular cycles. To back up these findings, additional study is necessary.5Benefits| Researched based study from

Side effects

Is castor oil safe ?

Castor oil can have specific adverse effects, primarily when used excessively or for some time, even though it is typically safe for topical use and occasional oral consumption. Here are a few examples:

Uncomfortable digestion

  • It might result in digestive discomfort when taken orally, including nausea, cramps, and diarrhea. Due to its strong laxative properties, it may cause frequent and loose bowel motions. Overuse may lead to electrolyte imbalances and dehydration.4Side effects| Researched based study from

Skin sensitivity

  • When used topically, some persons could have skin irritability or allergic responses. Before applying a product to a larger skin region, it is generally preferable to conduct a patch test. It is advisable to stop using immediately if any symptoms of redness, itching, or irritation appear.

Allergic reactions

  • Despite being rare, some people may be allergic. Seek emergency medical treatment for symptoms like hives, swelling, itching, or trouble breathing.4Side effects| Researched based study from

Eye discomfort

  • As it might irritate and hurt eyes, it should be kept away from them. Rinse your eyes well if it comes in contact with them.

Pregnancy-related risk

  • Pregnant women should refrain from using castor oil topically or orally without seeing a doctor. Although it is occasionally used to induce labor, because of the inherent hazards and problems, it should only be carried out under medical supervision.5Side effects| Researched based study from


How is it used?

It has multiple uses. Here are some examples of typical formats and procedures:

Can apply topically

  • Direct application to the skin is possible. It is frequently employed as a massage oil or for specific skin issues.
  • Cleanse and pat dry your face for skincare reasons. Use circular movements to massage a tiny quantity of oil gently.2Uses| Researched based study from

In the form of castor oil packs

  • It involves applying the oil to the skin after soaking a piece of cloth or flannel in it. Pain and cramping can be relieved using this often. A heat source, such as a heating pad, can also be placed over the pack for 30 to 60 minutes.

Can consume orally

  • Constipation can be relieved by taking it orally. It should be handled carefully. To test your tolerance, combine a tiny dose of 1-2 teaspoons with flavored juice or another beverage to enhance the taste. To avoid being dehydrated, take it on an empty stomach and drink lots of water all day.

Application on scalp

  • It may be applied to your scalp straight or combined with other carrier oils like coconut or olive oil. Leave it on for at least 30 minutes or overnight after massaging it into your scalp.1Uses| Researched based study from


Interaction with medicines

Oral contraceptives

  • Oral contraceptives may be less effective due to castor oil’s potential to impede their absorption. If you use birth control pills, it is best to see your doctor before using the oil.6Interactions| Researched based study from

Anti-clotting medications

  • When used with anticoagulant medications like warfarin and aspirin, it has a modest blood thinning effect and may increase the risk of bleeding. Consult your doctor if you’re taking these medications to be sure there aren’t any possible interactions or elevated bleeding risks.7Interactions| Researched based study from

Oral drugs

  • When used as a laxative, it may alter the absorption and effectiveness of several oral drugs. Other medications should be taken at least two hours before or after castor oil.


Takeaway tips

Castor oil has a variety of uses and numerous benefits. It’s essential to get a premium cold-pressed oil that doesn’t include any additives or preservatives.

To prevent adverse effects, it must be used carefully considering this mind; different people may have different experiences with castor oil, and what works for one person may not work for another. You should pay constant attention to your body and stop using it if it has any adverse effects.

It could be an excellent addition to your skincare and haircare regimen. However, one needs to use it carefully and, if required, seek expert counsel.

Disclaimer: The user acknowledges that this article's information is being offered for informational purposes only. Every attempt has been made to guarantee that the article is informational and correct. If they have any doubts or questions about their health, we firmly advise our readers to visit a doctor or other healthcare professional.

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