How often should I put rosemary oil in my hair? “If you're trying to suppress itching due to dandruff, use the oil mixed with compounds three to four times a week,” suggests James. “Massage it directly into the scalp, leave it on for 20 minutes, then shampoo the oils out of the hair and scalp.”
How often can you use it: It can be used daily or as often as you wash, as long as there is no reaction and you feel or see benefits. Works well with: Other ingredients that support hair growth, such as pumpkin seed oil and ashwagandha.
Can you use rosemary water on a daily basis? You can apply rosemary water as a spray for quicker hair growth and to reduce hair loss as often as you like. But it's recommended that you use the rinse in your shower or bath no more than once or twice a week.
Avoid putting too much oil on your scalp because it can cause skin irritation. The use of rosemary oil in pregnant and breastfeeding women should be done with caution. People allergic to rosemary oil should not use it.
Rosemary has been used by many to promote hair growth successfully. Using rosemary essential oil could very well do the same for you. Science and personal experience together both strongly suggest the essential oil does protect against hair loss, particularly that related to male or female pattern baldness.
People with DHT-related hair loss received either rosemary oil or minoxidil for 6 months. At 3 months, neither group had more hair. By 6 months, both groups saw significant increases in hair growth.
It's safe for all hair types, even color-treated hair, says Dr. Garlapati. “There is little to no risk of any side effects,” Dr. Penzi adds.
Use the rosemary water hair rinse in your hair after you've shampooed your hair. Then, rinse out. For a rosemary oil scalp treatment, one drop of rosemary oil can be mixed with six drops of coconut oil, then massaged into the scalp and left on overnight.
Rosemary itself works for a variety of reasons. In many situations, it can give you a way to enhance the growth of your hair. Researchers have found that rosemary oil has the ability to thicken hair significantly.
Rosemary oil is most effective for hair restoration when used consistently for at least 6 months. You can also use treatments a minimum of 1 to 2 times per week. While research suggests there are health benefits, the FDA doesn't monitor or regulate the purity or quality of essential oils.
Thanks to all of its properties, rosemary oil has been used for centuries to stimulate blood circulation in the scalp, prevent hair loss, slow down graying hair, and help with dry scalp and dandruff, according to Dr. Harth.
To use, simply add a few drops to wet or dry hair and comb through. You only need to use a little at a time, so reviewers add that one bottle will last for a while.
"Rosemary essential oil can help stimulate healthy, thick hair," affirms Dr. Graf. "The oil can speed up the process of cell turnover and growth, which can work as a natural remedy to grow thicker hair. Since it is an anti-inflammatory, it is used for [preventing hair loss], as well as regrowth."
So, how long does it take to work? “Because of the hair growth cycle, any effects on hair growth may take six months to show up,” says King, adding that “The 2015 study with rosemary oil showed results at six months.”
Bergamy suggests adding it to your shampoo or conditioner to get the benefits while washing your hair. Just be sure to thoroughly wash your hair to get the product out well. Use rosemary oil products.
Remember, you don't want to apply rosemary essential oil directly on your scalp. Always use a carrier oil to dilute the potency (hair care products—oils, shampoos, leave-ins—work fine as well).
Can I leave rosemary oil on my hair overnight? Yes, a rosemary hair oil treatment can be applied overnight. All you have to do is mix a few drops of rosemary essential oil with a carrier oil, like coconut, jojoba, argan oil etc. Apply this combination to your scalp and hair.
Rosemary oil, like all essential oils, is naturally very potent. If applied onto the skin or hair without first being diluted, it can cause irritation that could end up being severe if left untreated.
(Tip – use 1 drop of rosemary oil per 1 teaspoon of carrier oil for children and 3 to 6 drops of rosemary per 1 teaspoon of carrier oil for adults).
But taking undiluted rosemary oil or very large amounts of rosemary leaf is likely unsafe. Taking large amounts of rosemary can cause vomiting, sun sensitivity, and skin redness. When applied to the skin: Rosemary oil is possibly safe for most people. It might cause allergic reactions in some people.
According to Dr. Harth, the optimal dilution ratio is 15 drops of rosemary oil for every 6 teaspoons of your carrier oil (olive oil, argan oil, and jojoba oil make great options, too). Once combined, massage it into your scalp and leave it for 10 minutes before washing it out.
Side Effects Of Using Rosemary Oil On Hair
It's safe for all hair types, even color-treated hair, says Dr. Garlapati. “There is little to no risk of any side effects,” Dr. Penzi adds.
You can also mix rosemary oil with your shampoo, conditioner, or other hair treatments. Add 20 to 30 drops for every ounce (6 teaspoons) of product. Use the shampoo or conditioner as you usually would. You can also apply 2 to 3 drops directly to a dollop of post-shower hair care products in your hand.
To use, simply add a few drops to wet or dry hair and comb through. You only need to use a little at a time, so reviewers add that one bottle will last for a while.
So, how long does it take to work? “Because of the hair growth cycle, any effects on hair growth may take six months to show up,” says King, adding that “The 2015 study with rosemary oil showed results at six months.”