Rosemary oil for hair growth has gained a lot of attention on platforms like TikTok, with over 200 million searches, and there are some small studies suggesting its effectiveness, especially when compared to minoxidil, the active ingredient in Regaine. Here’s what experts, including dermatologist Dr. Yoram Harth, certified trichologist Gretchen Oligee, and cosmetic chemist Krupa Koestline, have to say about rosemary oil’s potential for promoting hair growth and scalp health.
What is Rosemary Oil?
Rosemary oil is extracted from the leaves of the rosemary plant, native to the Mediterranean. Known for its aromatic fragrance, it’s often used in perfumes and has a long history in skincare and haircare products for its soothing properties. When we talk about rosemary oil in the context of hair, it’s important to note that it’s not the same as rosemary extract, which has a gentler formulation.
Does Rosemary Oil Work for Hair Growth?
Research on rosemary oil’s ability to promote hair growth is limited but promising. A 2013 study on mice suggested that rosemary extract may promote regrowth in cases of hormone-related hair loss. In 2015, a study compared rosemary oil to minoxidil in men with genetic androgen-related hair loss, finding that rosemary oil could be an effective alternative.
Experts believe rosemary oil may support hair growth by increasing blood circulation to the follicles and providing anti-inflammatory, antibacterial, and antioxidant benefits. The key component in rosemary oil, carnosic acid, is thought to promote healing in nerve tissue, potentially improving scalp health and encouraging hair growth.
Side Effects of Rosemary Oil
Rosemary oil is generally well-tolerated by most people, but like any new skincare ingredient, it’s important to patch test first, especially if you have sensitive skin. Pregnant and breastfeeding women should consult their doctor before using rosemary oil, as camphor in the oil could pose potential risks. Some people may also experience irritation, so it’s important to test the oil before full application.
Using Rosemary Oil for Hair Loss
Rosemary oil may be useful in preventing hair loss, particularly in conditions like alopecia, due to its anti-inflammatory effects. However, hair loss can be caused by a variety of factors, including genetics, hormones, and stress, so it’s important to manage your expectations and consult a dermatologist if you notice excessive shedding.
How to Use Rosemary Oil for Hair Growth
To use rosemary oil, you can apply a few drops directly to your scalp, or for a more diluted option, use a product already formulated with rosemary oil mixed with a carrier oil. It’s best to apply rosemary oil to the scalp rather than the hair strands if you’re seeking hair growth benefits. If you’re using pure rosemary essential oil, always dilute it with a carrier oil like jojoba or coconut oil to prevent irritation.
How Long Does It Take for Rosemary Oil to Work?
Results from rosemary oil can take time. In the 2015 study, it took six months for participants to see noticeable hair growth. If you’re hoping for quicker results, it might be worth exploring other treatments like minoxidil, or consulting your dermatologist for personalized advice.
Is It Safe to Use Rosemary Oil Every Day?
Rosemary oil is generally safe to use every day, but it’s important to start slow and patch-test to avoid irritation. Some people may prefer to use it a few times a week, while others with high-porosity hair may benefit from daily use.
Conclusion
Rosemary oil shows potential for supporting hair health and growth, though more research is needed to confirm its effectiveness. While it’s not a quick fix, it could be a worthwhile addition to your haircare routine for soothing the scalp and promoting healthier hair over time.
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