Does Rosemary Oil Really Help Hair Grow? Here's What Experts Say

Chances are that one of your hair care goals is to find products and ingredients that support the health of your hair and scalp. One trend that has been making the rounds for a while now is rosemary oil, which allegedly drives hair growth and adds thickness. But can this essential oil actually lead to new growth? To separate fact from fiction, we turned to a board-certified dermatologist and a trichologist to learn more. Below, our experts share whether or not rosemary oil actually leads to new hair growth.

What Is Rosemary Oil and How Does It Benefit Your Hair?

Rosemary essential oil is extracted from the rosemary plant, an evergreen shrub with needle-like leaves and a woody scent. Studies have shown that it has a myriad of health applications; as a result, it is a popular ingredient in many of today's beauty products. According to our experts, rosemary oil has several hair-related benefits. Dr. Graf notes that it can soothe itchiness on the scalp and improve the blood circulation around the hair follicles. Rosemary oil also contains anti-inflammatory and antibacterial properties to eliminate build-up, says Reslan, and is a potent antioxidant (which means it protects your hair from environmental aggressors).

Does Rosemary Oil Promote Hair Growth?

The short answer is yes. "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."

How Should You Apply Rosemary Oil to Your Hair and Scalp?

Both Dr. Graf and Reslan explain that rosemary oil is beneficial for all hair types. "The properties of this oil work to create healthy hair follicles and prevent further damage," says Dr. Graf. And while you can apply it to the ends of your hair, rosemary oil is best worked into the scalp, says Reslan. "Mix a few drops of rosemary oil with any carrier oil, like argan or sweet almond oil, and massage it into your scalp 20 minutes before you jump in the shower," she says, adding that it will invigorate and nourish the skin on your head. "You can even mix it into your shampoo." Dr. Graf says, adding that you can also add a few drops into the hair care products you use after your shower.

Which Hair Care Products Have Rosemary Oil as a Star Ingredient?

You can also choose a hair care product formulated with this superhero ingredient. Dr. Graf recommends the Mielle Rosemary Mint Oil or Kiehl's Magic Elixir for a healthy scalp and thicker hair. Reslan recommends the Maxxam Normalizing Shampoo and the Hair Reconstructor as weekly treatments for damaged hair.