Rosemary oil is a popular essential oil known for its numerous health benefits. It can be used topically when diluted, or it can be inhaled through aromatherapy for various therapeutic effects.
One of the well-known benefits of rosemary oil is its ability to help thicken hair and prevent hair loss. The following article explores the advantages of rosemary oil for hair health, as well as its potential risks and side effects.
Benefits of Rosemary Oil for Hair Health
Rosemary oil is extracted from the leaves and flower buds of the Rosmarinus officinalis plant. For centuries, rosemary oil has been used in traditional medicine for its various therapeutic properties. Its high antioxidant content is believed to offer benefits for pain relief, brain health, and promoting hair growth.
Studies show that rosemary oil can encourage hair growth for some individuals, though further research is needed to solidify these claims.
A 2015 study found that rosemary oil may be effective in treating androgenic alopecia (pattern baldness) and reducing hair loss caused by this condition.
Experts believe that rosemary oil stimulates hair growth by blocking the effects of a specific type of testosterone, which can shrink hair follicles and lead to hair loss. The results of this study showed effects similar to the use of minoxidil, a popular hair growth treatment.
The key benefits of rosemary oil for hair health include:
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Increased blood circulation in the scalp.
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Stimulation of new hair growth.
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Prevention of gray hair and dandruff.
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Relief for dry or itchy scalp.
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Support for nerve rejuvenation in the scalp.
How to Use Rosemary Oil for Healthy Hair
Rosemary oil is commonly used to help thicken hair. There are several ways you can incorporate it into your hair care routine:
Apply Directly to the Scalp
To apply, mix about 5 drops of rosemary oil with one teaspoon of a carrier oil (such as coconut oil, olive oil, or jojoba oil). Massage this mixture evenly into your scalp after showering. Leave it on for 5-10 minutes before rinsing thoroughly.
According to The National Association of Holistic Aromatherapy, rosemary oil doesn't necessarily need to be rinsed out. However, if you prefer to rinse it, make sure the oil has had enough time to absorb and deliver its benefits.
Mix with Hair Care Products
Another way to use rosemary oil is by adding 5 drops to your regular hair care products, such as shampoo, conditioner, hair mask, or styling products. Mix well and use the product as usual, then rinse thoroughly.
Risks of Using Rosemary Oil
Rosemary oil is generally safe for topical use when diluted with a carrier oil. However, allergic reactions, such as scalp irritation, itching, and redness, can occur in some people. To avoid this, it's best not to apply excessive amounts to the scalp.
Also, avoid getting rosemary oil in your eyes. If this happens, rinse your eyes immediately with water until all traces of the oil are removed.
For pregnant or breastfeeding women, it's advisable to consult a doctor before using rosemary oil to ensure its safety. Always follow the instructions on the product packaging, and discontinue use if an allergic reaction occurs.
If you have any concerns or questions about hair care, consider consulting with a doctor or using the consultation feature available on the Ai Care app, which can be downloaded via the App Store or Play Store.
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- dr Hanifa Rahma
White, A. (2024). Should I Use Rosemary Oil for Hair Growth?. Available from: https://www.healthline.com/health/rosemary-oil-for-hair
Villines, Z., French, M. (2023). How to use rosemary oil for hair growth. Available from: https://www.medicalnewstoday.com/articles/319444
Hair MD. (2025). Rosemary Oil for Hair Growth: Benefits and Side Effects. Available from: https://www.hairmdindia.com/blog/rosemary-oil-for-hair-growth-benefits-and-side-effects#
Barhum, L. (2024). Rosemary Essential Oil Uses and Benefits. Available from: https://www.verywellhealth.com/rosemary-oil-8602665#
Barhum, L. (2025). Does Rosemary Oil Really Help With Hair Growth? Here’s What Science Says. Available from: https://www.verywellhealth.com/rosemary-oil-hair-growth-11695961