Castor oil contains ricinoleic acid (4). Studies have found that the acid helps inhibit prostaglandin D2 synthase, an enzyme that can decrease hair lengthening and cause balding (5).
As much as people may like to believe that an at-home remedy such as castor oil can stimulate hair growth, there is no scientific evidence to back this claim up.
Sourced from the castor bean, castor oil is rich in ricinoleic acid—a type of fatty acid known to fight inflammation. 1 When applied to the scalp, it is thought to promote healthy hair growth and prevent hair loss.
If you have already experienced hair loss on your temples, there are treatment options available that have potential to help regrow hair. Your doctor may recommend topical medications such as minoxidil (Rogaine), a popular treatment that can stimulate hair follicles to produce hair growth for some people.
The dermatologist stated that hair oil promotes hair growth is a pure myth. Oils may nourish your hair but they cannot initiate hair growth. So, if at all, you think that hair oils stop hair fall and promote hair growth, you are wrong. - Be it coconut oil or almond oil or onion oil, all oils are good conditioners.
Castor Oil Benefits
Castor Oil is known to help promote hair growth, and hair strength. Massaging castor oil into the beard and scalp helps to increase circulation and promotes hair growth. Castor oil helps to stimulate hair follicles and helps to prevent excessive hair shedding and hair loss.
Castor Oil for Men
Castor Oil has several benefits for men as it contains proteins, minerals, vitamins E and F and triglycerides. Together, these ingredients deliver benefits for Hair ( hair growth and hair loss). Castor oil is also extremely effective for beard growth and thickness.
Castor oil has been claimed to have a slew of benefits including strengthening strands, promoting hair growth, and nourishing dry scalp. And while the oil itself likely can't make the hair grow, it's loved for its ability to create a healthier environment on the scalp that makes for way better hair growth.
If the reason for thinning hair is genetics, it will not grow back on its own. To grow back a healthy, full head of hair, you'll need to take action, and that involves reviewing different hair loss options.
Castor oil is great for hair regrowth and thickening
That is also why it is so popular as an eyebrow, eyelash, and beard serum—to promote hair growth in such areas. It's also great for those who have fewer hairs on their head and want to stimulate more growth overall.
Castor oil works very quickly. You should see results within two to six hours after taking it. Because castor oil works so fast, it's not a good idea to take it before bedtime, as you might do with other laxatives. Like any stimulant laxative, castor oil shouldn't be taken in the long term.
Many people use castor oil as a natural hair treatment. This is because castor oil has moisturizing properties, which could help lubricate the hair shaft, increasing flexibility and decreasing the chance of breakage ( 20 ).
When your glands are producing too much oil, this can cause your hair and scalp to be overly greasy. Although this seems harmless, excess oil can clog pores on your scalp which can prevent your hair follicles from growing normally! And as a result, you may experience rapid hair loss.