Rosemary Oil for Hair: Benefits and How to Use It

If you’re looking to grow longer and healthier hair, you might want to consider using rosemary oil. This essential oil has recently gained popularity on TikTok as a hair growth remedy, with many users sharing their success stories and testimonials. But is there any truth to these claims, or is it just another passing trend?

In this article, we’ll explore the benefits of using rosemary oil for hair growth. We’ll also take a closer look at the properties of this essential oil and how it works, as well as its historical use in the Mediterranean region. We’ll also take a lokk at what experts say, to separate fact from fiction and determine whether rosemary oil is worth adding to your hair care routine.

Can Rosemary Oil Help Regrow Hair?

If you’re experiencing hair loss or thinning, you may be wondering if rosemary oil can help regrow your hair. The answer appears to be yes, and there’s scientific proof behind it.

What Makes Rosemary Oil Effective for Hair Growth?

Rosemary oil has been found to be similarly as effective as minoxidil, an encouraging medication at hair regrowth in people with androgenic alopecia (male or female pattern baldness). In fact, using rosemary oil instead of minoxidil led to fewer issues with itchy scalp at the three-month and six-month check-ins.

One of the reasons rosemary oil is effective for hair growth is due to its carnosic acid content. Carnosic acid is a phenolic chemical compound found in rosemary that carries anti-inflammatory and antioxidant properties, which can help rejuvenate damaged nerves and tissue in your body. Applying rosemary oil to your scalp creates an environment where your hair can thrive.

Rosemary oil also strengthens circulation, which improves blood flow to the scalp and provides the hair with the nutrients it needs to grow and be healthy.

Other Benefits of Rosemary Oil

Aside from promoting hair growth, rosemary oil has other benefits for your hair, including:

  • Dandruff control: Rosemary oil’s anti-inflammatory and antimicrobial properties can help limit skin inflammation and irritation, which can reduce dandruff.
  • Limiting premature graying: While more research is needed, some studies suggest that rosemary oil can help reduce stress, which is a factor that can contribute to premature graying.

Overall, rosemary oil has been shown to be a promising natural remedy for hair loss and thinning. Its anti-inflammatory, antioxidant, and antimicrobial properties can help promote hair growth, improve scalp health, and reduce dandruff and premature graying. However, it’s important to note that genetics and other factors can also contribute to hair loss and thinning, and rosemary oil may not be effective for everyone.

How to Use Rosemary Oil in Your Hair Care Routine

Does Your Hair Type Make a Difference?

Rosemary oil can be a great addition to your hair care routine, but it’s important to consider your hair type before using it. Coarse hair may be better able to handle an application of rosemary oil, while people with finer hair might find that using the product makes their locks look greasy or weighed down. However, everyone can use rosemary oil, but you might need to modify how often you use it depending on your hair type.

If you’re not sure how your hair will react to rosemary oil, try it on a small area of your scalp before coating your whole head with it.

Applying Rosemary Oil to Your Scalp

To get the most out of rosemary oil, it’s important to focus on your scalp. Applying it to your hair won’t do anything aside from giving you a greasy look. You want to apply it to the scalp as a treatment.

Here are some tips for applying rosemary oil to your scalp:

  • Dilute rosemary oil with a carrier oil like coconut oil or jojoba oil before applying it to your scalp. This will help prevent skin irritation and dryness.
  • Massage the oil into your scalp using your fingertips. This will help improve circulation and ensure that the oil is evenly distributed.
  • Let the rosemary oil sit and do its thing for at least a few hours. Dr. Khetarpal suggests using rosemary oil at night and then washing your hair in the morning.
  • If you’re using rosemary oil as a scalp treatment, you don’t need to use it every day. Some people might be able to use it daily. Others may see that one or twice a week works best.

Adding Rosemary Oil to Your Shampoo or Conditioner

If you don’t want to apply rosemary oil directly to your scalp, you can add a few drops of it to your shampoo or conditioner. This is a great option if you have color-treated hair or if you’re worried about your hair looking greasy.

Here are some tips for adding rosemary oil to your shampoo or conditioner:

  • Add a few drops of rosemary oil to your shampoo or conditioner and mix well.
  • Use the shampoo or conditioner as you normally would.
  • Rinse your hair thoroughly to ensure that all of the rosemary oil has been removed.

Are There Side Effects to Using Rosemary Oil?

Rosemary oil is generally safe to use, but there are some precautions you should take. If you’re pregnant or breastfeeding, it’s best to avoid using rosemary oil as it could affect the fetus or lead to a miscarriage. Some 100% rosemary products may have warning labels indicating this. Additionally, excess use of rosemary oil may cause scalp irritation, especially for those with sensitive skin.

Frequently Asked Questions

What is the recommended recipe for using rosemary oil to promote hair growth?

Rosemary oil can be used in a variety of ways to promote hair growth. One recipe involves mixing a few drops of rosemary oil with a carrier oil, such as coconut oil or olive oil, and massaging it into the scalp for several minutes. Another recipe involves mixing rosemary oil with a few drops of peppermint oil and a carrier oil, and applying it to the scalp before shampooing. The recommended recipe may vary depending on the individual’s hair type and desired results.

What is the proper way to apply rosemary oil to hair?

The proper way to apply rosemary oil to hair is to mix a few drops of the oil with a carrier oil, such as coconut oil or olive oil, and massage it into the scalp for several minutes. The oil can also be applied to the hair shaft for added shine and moisture. It is important to avoid applying too much oil, as this can lead to greasy hair.

Which brand of rosemary oil is considered the best for hair growth?

There are many brands of rosemary oil on the market, and the best brand for hair growth may vary depending on the individual’s preferences and needs. It is important to choose a high-quality, pure rosemary oil that is free of additives and fillers.

How should rosemary oil be diluted for safe hair application?

Rosemary oil should be diluted with a carrier oil, such as coconut oil or olive oil, before being applied to the hair and scalp. The recommended dilution ratio is typically 2-3 drops of rosemary oil per teaspoon of carrier oil. It is important to perform a patch test before using rosemary oil on the hair and scalp to ensure that there are no adverse reactions.

Are there any known side effects associated with using rosemary oil on hair?

While rosemary oil is generally considered safe for use on the hair and scalp, some people may experience allergic reactions or skin irritation. It is important to perform a patch test before using rosemary oil on the hair and scalp to ensure that there are no adverse reactions. Additionally, pregnant women and individuals with high blood pressure should avoid using rosemary oil.


Rosemary oil may be helpful in managing hair loss, but it is important to be realistic about the extent of improvement. While there is anecdotal evidence and some scientific studies supporting its use, there are no guarantees. It is important to approach rosemary oil as a complementary home remedy to support overall hair wellness, rather than a miracle cure. As with any skincare or beauty product, it is important to consult with a hairstylist or dermatologist before use.

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