Of these, most had chosen the oil and 82% had chosen rosemary to improve their hair.
Whether rosemary oil can help with hair health may depend on the underlying cause of hair loss or damage.
A hereditary pattern of hair loss is likely genetic in nature, for example.
Mariia Siurtukova / Getty Images
In this study, participants used rosemary oil for six months.
The results showed effects similar to those of minoxidil.
The rosemary oelogel was found to have similar effects as minoxidil.
If you do massage rosemary oil into your hair, you do not have to rinse out.
The National Association of Holistic Aromatherapy recommends no more than 20 drops of essential oil per ounce of carrier.
The other uses of rosemary oil may include improving texture, moisture, and shine with regular use.
In most cases, the oil is applied topically (on the skin or hair).
Talk to your healthcare provider about rosemary oil.
It might also help prevent hair loss, dandruff, and premature graying.
Topical use of rosemary oil is generally safe, although allergic reactions and skin irritation are possible.
Some people should check with their healthcare providers whether it is safe to use rosemary oil topically.
This includes pregnant and breastfeeding people and people with certain health conditions or who take certain medications.
This can help guide the best treatment options.
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