Does castor oil make hair grow on bald spots? Read this before using it!

woman shows bald spots on the scalp

  • If you have bald patches because your hair follicles no longer produce hair, castor oil won’t help you grow hair. No clinical studies are showing that castor oil grows hair on bald spots.
  • So if you have bald spots on your scalp, my advice as a professional hairdresser is to see a dermatologist. They can recommend an appropriate treatment.
  • Castor oil can only work if the hair follicles are weak, not dead. And I’ll tell you why later on.


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How long does it take for castor oil to work on hair?


 If you have bald spots on your scalp, my best advice is to go to a dermatologist.  Don’t look for instant solutions on the web or in natural remedies.


In this case,  you should go to a dermatologist, and to be more specific, to a trichologist. That’s a professional who treats hair and scalp conditions. 


Why? Because bald patches on the scalp can be an indicator of various illnesses. Only a dermatologist or a trichologist can determine and treat these.


In addition,  if you use castor oil on the bald spots on your scalp without consulting a dermatologist, you may risk aggravating the situation, causing infections on your scalp. 

trichologist examining bald spots on patient

Why? Because castor oil contains a large amount of fatty acids. These can clog the pores of your scalp if they accumulate. And that can cause all kinds of more serious pathologies.


As a hairdresser, I believe natural oils should be used on hair for cosmetic purposes. For example, they help repair damaged hair after bleaching or protecting hair before dyeing it.

But if you have bald patches on your scalp, we’re talking about a serious issue that should be treated medically, not cosmetically.

Want to know why? Read on.

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Consult a trichologist before using castor oil on the bald spots on your scalp

woman examines bald spots in the mirror

Take it from me. Various factors, such as poor diet, poor blood circulation, hormonal problems, or scalp conditions, such as androgenic alopecia can cause hair loss or bald patches on the scalp.


Considering all this, do you really think that a colorist, without specific medical knowledge or knowledge of your medical history, could tell you if castor oil could help you with the bald spots on your scalp?

I think only an irresponsible professional would do that. And this is obviously not true in my case.


 A trichologist, or even a dermatologist, will ask you to do certain tests and look at your scalp with a magnifying glass or other tools. They’ll also determine something vital: the cause of the bald patches on your scalp. 


And then they’ll recommend an effective and risk-free treatment.

Because believe it or not, if you apply castor oil on your own without medical supervision, you can cause an infection on your scalp. This is because castor oil is thick and can clog the pores of your scalp.



Generally,  bald spots are associated with a malfunction of the hair follicles. That’s where hair originates and grows. 

But it’s important to tell the difference between a dead hair follicle and a weak hair follicle.

  •  A dead hair follicle or one that’s stopped functioning doesn’t produce hair. In this case, castor oil won’t work. 
  •  A weak hair follicle is still alive, but it needs vitamins to get stronger to produce hair.  So, in this case, as long as a dermatologist recommends it, castor oil could work. It would increase the blood circulation to your scalp, making the hair follicles stronger to grow hair.


I think I’ve been clear:  if you have bald spots on your scalp, see a dermatologist or trichologist before starting any home treatments. 


When can you use castor oil on your hair?

woman using castor oil to treat hair

Castor oil can promote many aspects of hair health, such as repairing damaged hair or thickening thin hair.

Let’s take a look at its properties.

  •  If you notice your hair grows slowly , use castor oil to increase blood flow to the scalp, letting the roots receive more nutrients. Therefore, hair grows stronger and thicker.
  •  You can also use it if your hair is dry  as castor oil restores lost moisture to the hair.
  •  If you have dandruff , you can use it to fight the bacteria that lodge on your scalp and cause dandruff. Castor oil has anti-inflammatory and antibacterial properties.
  •  If you have excessive frizz , use castor oil to promote the production of keratin, a protein essential for maintaining healthy hair.



Bald spots on the scalp can be a symptom of a scalp illness. As a professional hairdresser, I advise you to consult a dermatologist or trichologist before using castor oil. They can recommend the most appropriate treatment.

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