8 Best Castor Oils for Hair Growth & Thickness in 2019 (Highest Quality = Best Results)

Lots of men have trouble with thinning hair, but the cause might not be what you’d expect.

Not all hair loss or hair thinning is because of natural genetics.

Instead, lots of men experience hair loss because their scalps aren’t very healthy.

Your scalp is exposed to all kinds of things over a regular day: dirt, bacteria, and dry air that soaks up precious moisture.

All of these elements can combine to make your scalp an itchy, inflamed place.

Naturally, the hair that does manage to grow in that kind of environment won’t be very robust.

An inflamed or infected scalp can lead to poor or weak hair growth over time.

So, what is there to be done?

We’d recommend castor oil.

This miraculous oil has been known as beneficial for generations, and it’s all because it’s one of the most soothing oils to the scalp on the planet.

In our guide to the best castor oils for hair growth, we’ll explain how this wonder-oil works and show you some of our favorites.

In the end, you’ll know exactly how to use castor oil to improve your hair’s growth rate and thickness.

Let’s get started!

Use the table of contents below to jump to the sections most important to you.

Table of Contents

Best Castor Oil for Hair Growth

What Exactly Is Castor Oil?

What is Castor Oil

Lots of hair and skincare manufacturers love to talk about this miracle oil as though it is the cure for all ailments.

This can give castor oil a bit of an exaggerated reputation.

Castor oil has been used for thousands of years in cultures across the world as a moisturizer and a hair enhancement product, although earlier iterations of the oil weren’t as pure as the stuff you can buy in stores today.

Castor oil comes from the titular castor bean, which has the scientific name Ricinus communis.

This oil is naturally rich in a particular type of fatty acid called ricinoleic acid.

This acid has historically been used as an anti-inflammatory agent, but people have also known for quite a long time that it can reduce hair loss and promote hair growth.

Ricinoleic acid has additional antibacterial and antifungal properties as a result of its natural acidity.

However, castor oils hair benefits are not derived from additional nutrition or from some kind of supercharging effect that they cause within the follicles of your hair.

Instead, castor oil can improve your hair growth and thickness by soothing your scalp and helping to alleviate inflammation and other irritation.

Basically, castor oil can make your scalp a more comfortable place for new hair to grow.

Strong, thick hair requires a stable environment and a healthy scalp to sprout at all.

It can also eliminate excessive bacteria and get rid of fungal infections provided they aren’t too far along.

Plus, ricinoleic acid inhibits a hormone called Prostaglandin D2, or PGD2.

Males that have too much of this hormone may experience slower and weaker hair growth.

Therefore, any acid that inhibits this hormone could be beneficial if you find that your hair is thinning and growing less impressively than in your younger years.

Additionally, castor oil has many omega-six fatty acids.

These fatty acids improve blood circulation in the scalp.

Since the scalp is directly responsible for the type and speed at which your hair grows, better blood circulation leads to better hair nutrition and a healthier head overall.

Finally, castor oil doubles as an effective moisturizer.

Its collections of polyunsaturated fatty acids will attach themselves to individual hair strands and prevent moisture from escaping your head.

As a result, castor oil is an excellent remedy if you have naturally dry hair or a scalp that tends to dry out quickly in certain environments.

Therefore, castor oil isn’t something that you apply to your hair so much as it is something you rub into your scalp.

A healthier scalp will almost guarantee better hair growth down the road.

Castor oil is a relatively thick oil that comes in a variety of colors that are related to how the oil was extracted from the seeds.

It doesn’t easily mix with water and is frequently used as a carrier oil for essential oil products and other hair care solutions.

Castor oil naturally has a pretty intense fragrance that many people dislike.

It’s best described as “earthy.”

For this reason, lots of manufacturers add one artificially, as you’ll be rubbing it into your head, one of the most heavily scented parts of our bodies.


Things To Consider When Buying Castor Oil

Before we show you our favorite castor oils for improving your hair growth and thickness, let us explain what our testers focused on to pick out the best products from lesser ones.

1. Type Of Castor Oil


Although all castor oil products come from the same primary plant, there are actually three main types of castor oil that can have different effects or levels of results on your hair.

The different types are a result of varying castor oil extraction processes that subtly alter the chemical composition of the resulting oil.

Jamaican Black Castor Oil

Jamaican Black Castor Oil

This is one of the most famous castor oil varieties, and you can find it mixed into other hair care products as a carrier oil or subsidiary ingredient.

This type of oil is created by roasting the seeds of the Ricinus communis plant.

After roasting, manufacturers will press the seeds to extract the oil under different machines or tools.

The ashes that are created as a result of the roasting process are mixed with the oil that is pressed from the remains of the seeds.

This is why this castor oil has a distinct black color.

It has a higher alkalinity value than other castor oil types but has the same nutritional value as other castor oils.

This type of castor oil is anecdotally slightly better at providing excellent results for thick or dry hair, though our testers didn’t see these results when compared to other castor oils.

Organic Cold-Pressed

Organic Cold-Pressed Castor Oil

This is a hugely common castor oil type that you’ll find amongst many hair care products.

In fact, you’ll likely hear about cold-pressed castor oil more than any other variety.

This oil is extracted in a cold-pressed process, where the high pressure of the machine or tools used results in the extraction of oil without needing to cook the seeds beforehand.

It has been argued that this oil extraction method results in better-quality oil than the other types, but there is no direct scientific research to corroborate this claim.

Still, you can rest assured that cold-pressed castor oil is going to be high quality simply because the manufacturer went to the effort to get the oil out of the seed as well as possible.

Cold-pressed castor oil tends to have a pale-yellow color.

It also retains all of the nutritional ingredients that the oil is known for.

This is why you’ll find it in many skincare or other health-related products.

If you’re after the most nourishing or hair reparative castor oil, look into a cold-pressed product just to be on the safe side.

Hydrogenated

Hydrogenated Castor Oil

Finally, this type of castor oil is created by hydrogenating already extracted oil with a nickel catalyst.

This creates a thicker substance that is more similar to wax than an actual oil.

The resulting material is odorless and insoluble with water, and it ends up breaking very quickly under just a little pressure.

As a result, this type of oil is commonly found in many polishes or other cosmetic products.

We’d recommend getting either Jamaican Black or cold-pressed castor oil if you are looking for a product for your hair.

These two castor oil types will have more of the nutritional benefits associated with castor oil and are likely to be better for your scalp as a whole.

Besides, hydrogenated castor oil may accidentally end up clogging your pores or causing dandruff to develop.

2. Purity


Castor Oil Purity

In our search for the best castor oils for hair growth and thickness, we also took note of each product’s oil purity.

What does this mean?

Basically, some oil hair care products will be blends of various types of oil, while others will be more concentrated.

You don’t need to worry about castor oil being concentrated, as it is a carrier oil rather than essential oil.

This means that your castor oil won’t irritate your skin or cause any issues.

So, what’s the difference?

Some people think that pure castor oil can impart more of its health benefits to your scalp and hair than blended products.

Others think that combining castor oil with other helpful oils, like essential oil, can provide even better benefits then castor oil alone.

For our purposes, we strove to find castor oil products that only contain that oil, rather than blended products.

But purity does not just refer to whether or not the castor oil is combined with other oils in a bottle.

It also refers to how pure the castor oil solution inside a bottle is.

Some castor oil products have artificial ingredients to enhance the effects of the product or change their outcomes.

Some of the most common artificial ingredients include fragrances and alcohol.

These can result in a pleasant smell to the oil or give the oil some anti-greasing effects, but by and large, these benefits do not outweigh the potential cost.

100% pure castor oil is usually much better for your scalp and head, and it doesn’t run the risk of irritating your scalp and causing any dandruff issues.

You should always try to find 100% pure castor oil whenever possible, as these products will be higher in quality overall compared to castor oils that have other elements in their formulae.

3. Grade


Castor Oil Grade

Castor oil grade is also essential, and it comes in several types.

High-quality castor oil will be AA Standard grade, meaning that it comes from the first pressing of the plant seeds.

The resulting oil will be thin at first, but cold-pressing methods can pick in the oil and improve its quality even further.

You’ll also find castor oil products with a mediocre grade.

These can still be quite effective and retain most of their nutritional value, although they aren’t usually considered to be as high quality or beneficial as AA Standard grade oil.

Finally, lots of castor oil products are called industrial grade.

This means that the castor oil has been mixed with the next batch of plant seeds and repeated multiple times to impart different levels of nutrient saturation to the resulting oil.

There is some debate as to whether or not this is actually beneficial for the oil.

Most consider industrial grade oil to be of lower quality, so you won’t likely want to put this in your hair if you can avoid it.

But industrial grade castor oil is also a lot cheaper most of the time.

Men on a budget looking for some castor oil to try out might find that industrial-grade oil is just the ticket.

It’s up to you whether or not you want to go for the most expensive, high-grade oil around.

Related to grade is whether or not a given castor oil is organic.

Castor oils that are USDA certified are made from only organic ingredients that haven’t been touched by synthetic elements or pesticides.

The likely doesn’t matter too much if castor oil is organic, but some people feel more comfortable using products on their heads if they know that there’s no chance of those harmful chemicals entering their bodies.

We’ll point out wherever possible whether one of our top products is organic so you can decide for yourself if this matters to you.

4. Is There Hexane?


Does the Castor Oil Have Hexane

You’ll also want to check and see if there is any hexane present in the castor oil product of your choice.

What is hexane?

It’s a chemical solvent that many castor oil manufacturers use to extract oil from the plant seeds.

This solvent makes the castor oil extraction process a lot easier for the manufacturer.

But it can also cause impurities or chemicals to remain in the oil after it’s been bottled.

It can also affect the overall quality of the oil by changing its chemical composition and stability.

Oil with compromised integrity will no doubt be less effective for your hair and less healthy for your scalp.

We would always recommend trying to find hexane-free castor oil if you can afford it.

We’ll let you know in our individual reviews for each castor oil product whether or not they have hexane in their composition.

5. Amount


Amount of Castor Oil

Finally, it’s essential to examine how much castor oil you get for your purchase before finalizing anything.

Most men use castor oil in a tablespoon or larger amounts each time they apply it.

Naturally, this means that you can quickly burn through a whole bottle of castor oil thicker than you might have expected.

You’ll want to balance your budget with the amount of oil in a bottle to get the best results.

Men who plan to only use castor oil once in a while can get away with going for a higher-quality product that costs more money.

But men on a budget and who need a lot of castor oil should try to find one that cheaper and that has more oil per dollar spent.

Overall, there’s no one right answer when it comes to how much castor oil you should look for.

It all depends on your needs and your budget.


8 Best Castor Oils For Hair Growth and Thickness of 2019

1. Pura D’Or Castor Oil

Pura D’Or Castor Oil

This castor oil comes from the best processes and the best castor plants and organic farms.

Specs

Who Is It Best For?

It’s an ideal choice for men in need of versatile castor oil that isn’t too heavy with its fragrance.

Key Features

This castor oil is one of the highest-grade oils you’ll find.

It’s made from organic ingredients and features 100% pure castor oil, meaning that your scalp and hair will only receive the best benefits from the treatment.

The oil’s been cold-pressed to keep all of its nutrient-based benefits and retain its smooth texture.

To make things even better, this castor oil bottle comes with additional tools.

The first of these is a dropper; this is ideal for squeezing the perfect amount of castor oil onto your hair or eyebrows.

The bottle also comes with an eyebrow applicator.

You can dip the brush into the oil and spread it across your eyebrows to provide the same strengthening and thickening benefits that you want for your head hair.

There’s also an eyelash tool for applying the oil to those hairs, as well.

What’s more, is that this oil has an earthy fragrance that is decidedly unique to castor oil but isn’t as overwhelming as some other castor oil products.

All in all, this oil product is one of the more versatile choices on the market.

Check out the hundreds of customer reviews here on Amazon.


2. Natural Riches Organic Castor Oil

Natural Riches Organic Castor Oil

This product comes with some of the best castor oil on the market, and lots of it.

Specs

Who Is It Best For?

It’s a perfect choice for guys who need a lot of castor oil that doesn’t skimp on the quality, either.

Key Features

For guys that are in the market for high-grade oil and lots of it, look no further than Natural Riches’ offering.

This bottle of castor oil is filled with 100% pure, high-grade oil that’s designed to moisturize and heal your scalp and hair.

It’s one of the best castor oils we tested when it came to locking in moisture, actually.

Guys with naturally dry hair or skin would do well to check it out for their needs.

Because it’s made with only organic elements, it’s perfectly fine for men with sensitive scalps and hair, as well.

This castor oil has plenty of minerals and nutrients and is an effective antibacterial and antifungal agent.

All in all, it’s perfect for a variety of head health needs.

Best of all, you get 16 whole ounces of oil with your purchase.

That’s enough to last any man for quite a while!

Check out the hundreds of customer reviews here on Amazon.


3. Namskara Organic Castor Oil

Namskara Organic Castor Oil

This castor oil doesn’t come with much, but it offers tremendous health benefits regardless.

Specs

Who Is It Best For?

It’s a potent choice for men that need targeted castor oil help on specific spots on their heads.

Key Features

This high-quality castor oil is cold-pressed, 100% pure, and lacks the synthetic chemical hexane.

It’s a superb example of castor oil and can provide all of the great benefits that the solution is known for.

This bottle also comes with an easy-applicator dropper, plus two tools: one for your eyebrows and another for your eyelashes.

This oil is active enough that it can be easily used on other parts of your body, too.

Try spreading it on your nails or cuticles to reduce irritation and inflammation there.

Since it’s all organic, there’s little to no chance of skin irritation or developing rashes.

However, the biggest downside is the low amount of oil you get for the purchase.

Considering that it’s around the same cost as most bottles with more than 1 ounce included, this means the asking price is a little high, as well.

Still, it’s a high-quality oil product, and we’d recommend it for men that are only going to use it once in a while or in minimal amounts.

Its included tools definitely help to make it easy to apply a few droplets at a time.

Check out the thousands of customer reviews here on Amazon.


4. Kate Blanc Cosmetics Castor Oil

Kate Blanc Cosmetics Castor Oil

This castor oil kit comes with everything you need to apply oil to your head and beyond.

Specs

Who Is It Best For?

It’s an excellent oil for guys that want to try applying castor oil to other parts of their body to receive additional benefits.

Key Features

While this castor oil was initially developed for eyelash and eyebrow growth, our testers found that this castor oil works just as well for improving hair growth and thickness.

It even comes with the same assortment of applicator tools that we’ve seen before, including a dropper, eyelash and eyebrow applicator.

It’s made from organic ingredients and has been cold-pressed to retain its nutrients and its myriad health benefits.

This oil formula is also pretty good at retaining moisture across the scalp and throughout your hair.

Our testers found that it was only of the best castor oils for dry hair across all our selections.

Like our last pick, this castor oil bottle only comes with a small amount of the formula: 2 ounces.

This isn’t enough for a long-term supply, although the applicator tools are meant for using this oil in small amounts only.

We’d recommend it only for men that don’t need a lot of oil or guys that will only be using the oil sparingly.

You can also upgrade the amount to 4 ounces for only a few dollars more, which is a much more reasonable amount for daily use with your hair.

Check out the thousands of customer reviews here on Amazon.


5. Mary Tylor Naturals Organic Castor Oil

Mary Tylor Naturals Organic Castor Oil

This oil is potent, both in terms of its effects and its fragrance.

Specs

Who Is It Best For?

It’s an ideal choice for men that won’t be bothered by a castor oil with a particularly strong smell.

Key Features

This organic castor oil is another top choice for men that need lots of oil for frequent use.

This purchase comes with 16 ounces right out of the box, so there’s plenty for daily use for some weeks or months in the future.

You can also purchase this bottle for a very affordable asking price.

So, this oil doubles as a great budget option, as well.

The oil contained within is excellent for moisturizing the skin and stimulating hair growth by removing irritation across your scalp.

It’s made from organic ingredients and has been cold-pressed.

It’s one of the best all-around castor oils for hair growth that we’ve seen in terms of oil quality alone.

The texture, in particular, is smooth rather than sticky, making it a pleasure to apply and easier to rinse out when you’re finished.

Be warned that this oil does have a particularly heavy fragrance, however.

It’s a bit much for our tastes, but if you’ve got a stronger smell resistance, it shouldn’t both you too much.

Check out the hundreds of customer reviews here on Amazon.


6. Shiny Leaf Castor Oil

Shiny Leaf Castor Oil

This castor oil has plenty in the bottle, and it’s all high-quality.

Specs

Who Is It Best For?

It’s a great budget castor oil pick, provided you can stand the heavy smell.

Key Features

We’ve got another excellent castor oil product with 16 ounces in the bottle.

This isn’t quite as affordable as our last choice, but it’s still great in terms of value for money and is only a few dollars pricier.

The bottle contains some of the highest-grade organic castor oil we tried.

It’s soothing and moisturizing and cold-pressed to retain its natural ingredients and health benefits.

As it’s USDA Certified, this castor oil is totally organic and free from any synthetic components, including hexane.

Even men with sensitive skin or men with ethical sensibilities will be able to enjoy this castor oil.

The only downside we noticed is, once again, the heavy smell.

Some castor oils don’t have great fragrances, but this bottle certainly does.

Still, mixing the oil with an essential oil’s aroma can go a long way to making this oil better for daily use.

Check out our guide to the best essential oils to find some example oils and some easy combinations.

Check out the hundreds of customer reviews here on Amazon.


7. RejuveNaturals Organic Castor Oil

RejuveNaturals Organic Castor Oil

This castor oil comes with plenty of excellent oil and lots of tools for fine application.

Specs

Who Is It Best For?

It’s the best choice if you’re interested in experimenting with castor oil on your eyebrows or lashes, as well as your head hair.

Key Features

While not possessing quite as much oil as our last two picks, this oil still has enough for frequent or sparing use alike.

It comes with a dropper and five mascara or eyeliner-style brushes to let you apply the oil to your lashes or eyebrows.

While many guys won’t take advantage of these implements, we think they’re a great bonus to the bottle as a whole.

The dropper is of high quality and works well to deposit only a few droplets into your hair at a time.

The oil’s very moisturizing and feels excellent to the scalp.

It’s one of the better castor oils for anti-inflammatory purposes that we discovered.

Perhaps best of all, this castor oil’s fragrance isn’t too heavy for our tastes.

It’s still undoubtedly noticeable, but it won’t overwhelm your senses or make you wish you’d chosen a different product.

All in all, this is a great all-around castor oil choice.

It has enough for guys who only need a little at a time or enough for some experimentation with application amounts.

Check out the hundreds of customer reviews here on Amazon.


8. Hair Thickness Maximizer 100% Cold-Pressed Jamaican Black Castor Oil

Hair Thickness Maximizer 100% Cold-Pressed Jamaican Black Castor Oil

This castor oil features a top-tier variety made from the best extraction process.

Specs

Who Is It Best For?

This is the best choice for men who need the best castor oil, but not necessarily a lot of it.

Key Features

In terms of quality, there’s not much better than this castor oil.

It’s of the thick, black-colored Jamaican variety, and it’s also been cold-pressed to retain as many nutrients and health benefits as possible.

This type of oil is absorbed into the hair very quickly and easily, meaning it won’t run down your neck as much as other castor oil varieties.

It’s phenomenal for boosting the thickness of your hair and soothing your scalp at the same time.

Its organic quality also helps it rid your scalp of bacteria or fungi that might be causing dandruff or sensitivity issues.

It comes in a stylish dark bottle and one of the better dropper caps that we saw in our search for the best.

The downside is that you only get a single ounce of oil for your purchase, which makes the asking price a bit high.

Still, this oil is clearly designed as a surgical, high-intensity product for sparing use.

We’d recommend it for men that only need a bit of high-grade castor oil or guys who are attempting this kind of treatment for the first time.

Although there isn’t much, what is there definitely packs a punch.

Check out the hundreds of customer reviews here on Amazon.


Frequently Asked Questions About Castor Oil

Frequently Asked Questions

Now that you’ve checked out our castor oil hair growth reviews, let’s go over any last questions you might have before we send you on your way.

1. Does Castor Oil Grow Hair?

No, it does not.

As we explained at the beginning of our guide, castor oil’s hair growth benefits are a side effect of its ability to reduce inflammation and irritation across your scalp.

Your scalp is the location of your hair follicles and roots.

A healthy scalp naturally leads to healthy and thick hair that you can be proud of.

This is why many men with thin or wispy hair also tend to have scalps with several problems.

Scalps can become infected with bacteria or fungal species or might have an excess of dead skin cells that result in dandruff.

Dandruff can be cleaned in several ways, and there are other antibacterial solutions besides castor oil to help you tackle these issues.

We’ve done guides on the best antidandruff shampoos for men if you’d like some examples.

But castor oil is mostly used as an anti-inflammatory agent and somewhat as a moisturizing element.

It’s excellent for making your scalp the right spot for new hair to grow and soothing it at the same time.

2. How To Use Castor Oil For Hair Growth

If you’ve never used castor oil for hair growth before, let us show you the optimal method to achieve great results every time.

Step One
It’ll pay off in the future to remove your shirt and place an absorptive towel around your neck and/or shoulders.

Castor oil is a slippery substance that is likely to run down your neck and shoulders as you apply it to your scalp.

Even if you only use a few drops, this oil is slippery enough that it’s almost impossible to make it all stay on your head.

The towel will absorb any errant droplets and prevent them from running further down your body or getting onto the floor.

But your prep work is done.

You should dampen your hair before applying any kind of castor oil.

Of course, if you just stepped out of the shower, your hair should already be suitably damn from a thorough scrubbing.

But if you’re applying the castor oil at the end of the day or before you take a shower, be sure to run some water through your fingers and spread it throughout your hair.

You can use your favorite comb to make this task a little easier.

Finally, use that comb to eliminate any snags or tangles in your hair so that rubbing the oil into your scalp is easy.

Step Two
Now it’s time to pour the oil.

One thing to keep in mind is that each castor oil product is likely to have a different recommended application amount based on oil purity and what type of oil it is.

In most cases, a few tablespoons of oil are enough for your entire head.

Others might only recommend a few drops.

2 tablespoons are a good starting point if you have no idea how many you should use.

Tip: Heat The Oil
For an even better oil application experience, put your pre-poured oil into the microwave for up to 10 seconds.

This will heat up the oil and make it even more soothing to your scalp as you rub it onto your head.

But take care not to overheat the oil.

This can make it uncomfortable as you apply it and diminish the nutritional or nourishing values of the castor oil.

Tip: Mix With Another Oil
You can also mix your castor oil with another carrier oil to change its texture and stickiness.

Coconut, avocado, argan, and jojoba oils are all great examples of companion oils that can impart even more health benefits to your head without ruining the castor oil.

We’ve done a guide on the best oils for hair growth and thickness if you’d like some more examples.

Whatever you do to prepare the oil, it should end up in a bowl that you can easily reach into with your fingers.

Step Three
Now it’s time to apply the oil.

Diff the tips of your fingers into the oil and spread it evenly throughout your scalp for between three and five minutes.

You’ll notice that you only need to dip a short segment of each finger into the oil to get enough to spread around for a short while.

Feel free to dip your fingers again and again if you need to refresh your supply.

As you apply the oil, spread it from the front of your head to the back and ensure that you hit all the areas of your scalp evenly.

As you rub the oil into your scalp, move your fingers in soft and circular motions to massage your scalp and open up the pores on your head.

This will improve the effects of castor oil and feel good at the same time.

It does you no good to turn your fingers into pointier edges and irritate your scalp.

Tip: Eye Droppers
Some castor oil products come with an included eyedropper tool.

This is perfect for applying only a few drops of oil onto your scalp without having to pour into a bowl beforehand.

This may result in a cleaner operation than with other castor oil products.

Step Four
Now it’s time to let the castor oil sit in your hair.

Most castor oil manufacturers recommend that it should soak into your scalp for between 15 to 20 minutes.

This is enough time for the oil to seep fully into the skin of your scalp and reduce inflammation and irritation all across your head.

During this time, you can use your prepared towel to dab away any drops of oil that run down your neck but resist the urge to scrub your head.

It helps to have a book or some other activity prepared beforehand, so you don’t have to wait and stare at the wall as the oil does its work.

Tip: Leave It In
Alternatively, you can leave the castor oil in your hair for several hours or overnight if your scalp is really struggling with inflammation.

In this case, you can place an absorptive towel on your pillow to prevent the oil from ruining the cushion.

Step Five
After letting the castor oil sit for between 15 and 20 minutes, you can wash it out of your hair.

Because castor oil is naturally thick and a little sticky, it’ll take a bit of work to cleanse your hair thoroughly.

Thankfully, most standard shampoos are strong enough to get rid of castor oil as long as you work the shampoo into a respectable lather during a shower.

As you wash your hair, remember to use your fingers to spread the soap deep to the roots of your hair to get rid of any oily stickiness that might remain.

3. How Often Should I Use Castor Oil?

You can theoretically use castor oil as often as you please, although there is a limit to how much benefit it can bring your hair within a specific period.

In general, castor oil is best used between two or three times per week, depending on how dry your scalp is or how easily irritated it can become.

Use castor oil more frequently if you find that your first application worked wonders, but be aware that you’ll go through your supply more quickly this way.

4. Does Castor Oil Have Other Benefits?

Castor oil has additional benefits besides the ones we mentioned at the beginning of our guide.

There’s a reason that this oil has been used for thousands of years, after all!

Castor oil can additionally reduce acne symptoms, which can be especially useful for men that get acne on their heads.

Yes, it’s actually possible and can lead to terrible scalp inflammation.

Castor oil’s antifungal and antibacterial properties make it a great anti-dandruff agent since it locks in moisture at the same time.

It’s basically a do-it-all oil that makes your scalp a much more comfortable place in every way imaginable.

5. Can Castor Oil Have Side Effects?

Most men and women can use castor oil and enjoy its beneficial effects without having to worry about any downsides.

But for a small proportion of the population, castor oil’s triglyceride ingredient may cause some itchiness or a rash.

An even smaller proportion of the population may experience more significant side effects, such as dizziness or breathing troubles.

We’d recommend testing your castor oil on the interior of your arm near the elbow before applying a large amount of the stuff to your head.

Such an application will spread the oil’s elements quickly and let you determine if you’re one of the unlucky few for whom castor oil is ineffectual.

6. What Is An Essential Oil Vs. Castor Oil?

You’ll often hear about essential oils and how they can improve your hair growth and thickness.

While this is true, and we’ve done a guide on the best essential oils for hair growth and thickness, castor oil is definitely not an essential oil.

Essential oils are derived from the nonfatty parts of plants, like the bark, stems, roots, or leaves.

These oils have heavy fragrances and are usually prepared in concentrated forms.

Concentrated essential oils can be very effective but can also lead to heavy skin irritation and inflammation.

That’s why you’ll find many essential oils blended with carrier oils.

Carrier oils are much thinner and weaker counterparts that are derived from the fattier parts of plants, like the seeds.

Castor oil, of course, is a part of this latter group.

But just because castor oil isn’t an essential oil doesn’t mean it can’t be excellent for your scalp and hair health.

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