Does Rosemary Oil Really Help With Hair Growth? Here’s What the Research Says
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If you’ve heard people raving about rosemary oil for hair growth, you’re not alone. From beauty blogs to TikTok testimonials, this ancient herb is getting a lot of modern attention, and not without reason.
But does rosemary oil really help with hair growth? And can it compete with clinical options like minoxidil?
Let’s dive into what the science actually says - and how to use rosemary the right way for healthier, fuller-looking hair.
🌿 What Does Rosemary Oil Do for Hair?
Rosemary (Rosmarinus officinalis) has long been used in traditional medicine to boost circulation, reduce inflammation, and stimulate the senses. But when it comes to your scalp, rosemary oil does three things particularly well:
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Improves blood flow to the hair follicles
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Reduces inflammation and oxidative stress
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Helps block DHT, the hormone linked to pattern hair loss
These actions create the ideal scalp environment for stronger roots, less shedding, and healthier regrowth over time.
🧪 What the Research Says: Rosemary vs Minoxidil
In one notable 2015 study, rosemary oil was compared to 2% minoxidil (a common hair loss medication). After six months, both groups saw significant hair regrowth - but rosemary oil had fewer side effects, such as itching and scalp irritation.
Researchers concluded that rosemary oil may be a safe and effective alternative for treating hair loss, especially for people sensitive to harsh ingredients.
That’s a huge deal if you’re looking for results without the long list of side effects.
🧬 CO₂ Extract vs Regular Rosemary Oil: What's the Difference?
At KEMDII, we use Rosemary CO₂ Extract in our BLÜOM Hair & Scalp Oil - not the standard essential oil.
Why?
Because CO₂ extraction preserves more of the plant’s active compounds (like carnosic acid and rosmarinic acid), while removing potential irritants. It’s also:
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More stable and bioavailable
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Gentler on sensitive scalps
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Less prone to oxidation
This means you get all the benefits - stimulation, regrowth support, scalp health - without the harshness that some essential oils can cause.
🧖🏾♀️ How to Use Rosemary Oil for Hair Growth
If you're using rosemary oil for hair growth, consistency is everything. Here’s how to get the most out of it:
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Apply directly to the scalp 2–4 times per week
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Massage gently to improve circulation
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Use on clean, slightly damp scalp for better absorption
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Pair with calming, hydrating ingredients like black seed oil, baobab oil, or bisabolol for maximum comfort and support
Pro tip: Our BLÜOM Hair & Scalp Oil combines rosemary CO₂ with a full-spectrum blend of anti-inflammatory, antioxidant-rich botanicals — formulated to be as gentle as it is effective.
✨ So, Does Rosemary Oil Really Help With Hair Growth?
Yes - when used consistently and correctly, rosemary oil can support healthier hair growth, reduce shedding, and improve scalp vitality over time. The key is choosing the right form (like CO₂ extract), and using it as part of a nourishing, scalp-first ritual.
💛 Ready to Start Your Hair Growth Ritual?
Explore BLÜOM Hair & Scalp Oil - powered by rosemary CO₂, black seed oil, and wild nettle to support strong, healthy, fuller-feeling hair from the root.