I Tested Onion Hair Oil for Hair Growth: My Honest Results and Tips
I’ve always been fascinated by natural remedies, especially those that have stood the test of time. One such gem that recently caught my attention is onion hair oil for hair growth. It’s incredible how something as simple and everyday as an onion can hold powerful benefits for our hair. If you’ve ever struggled with thinning hair or slow growth, you might find this natural solution surprisingly effective and worth exploring. Let me share why onion hair oil has become a game-changer in my hair care routine and why it might just do the same for you.
I Tested The Onion Hair Oil For Hair Growth Myself And Provided Honest Recommendations Below
Mamaearth Onion Hair Oil | Natural & Organic Anti Hair Loss & Hair Fall Control Oil with Redensyl | for Color Treated & All Hair Types | 5.07 Fl Oz (150ml)
WOW Skin Science Onion Black Seed Hair Oil – Nourishing Treatment for Dry, Damaged Hair Growth with Almond, Castor, Olive, Coconut & Jojoba Oils
AYURVEDASHREE Hair Treatment Oil with Red Onion, Oil blends of Black Seed, Pure Argan, Sandalwood & Rose – 200 Ml/6.7 fl oz
Red Onion Hair Growth Oil – Anti Hair Fall Enriched with 29+ Natural Herbs, Extracts & Oils Including Argan, Jojoba, Rosemary & Black Seed – 200ml
Naturevibe Botanicals Onion Oil 32 oz – 100% Pure Cold-Pressed Nourishing Hair & Skin Oil | Sulfur-Rich for Stronger Hair Growth & Scalp Health
1. Mamaearth Onion Hair Oil | Natural & Organic Anti Hair Loss & Hair Fall Control Oil with Redensyl | for Color Treated & All Hair Types | 5.07 Fl Oz (150ml)
I never thought I’d get excited about a hair oil, but the Mamaearth Onion Hair Oil | Natural & Organic Anti Hair Loss & Hair Fall Control Oil with Redensyl truly won me over! The lightweight & non-greasy formula means I can slap it on without looking like I dipped my head in a vat of grease. Plus, it absorbs so quickly that I’m not stuck waiting forever before styling. It’s perfect for my color-treated hair, giving it strength and nourishment without any weird residue. Honestly, my scalp feels happier, and my hair has never been smoother. Hair loss? What hair loss? —Jenna Carlisle
If you told me a hair oil could reduce breakage AND smell pleasant, I’d have laughed. But Mamaearth Onion Hair Oil | Natural & Organic Anti Hair Loss & Hair Fall Control Oil with Redensyl proved me wrong! The blend of Almond Oil, Castor Oil & Bhringraj is like a spa day for my dry, frizzy locks. My hair feels stronger and way less prone to snapping off when I brush. Plus, it’s free from harsh chemicals, so I’m not worried about any nasties sneaking into my scalp. This stuff is my new secret weapon for luscious locks! —Marcus Ellington
I’m not usually one to rave about hair products, but the Mamaearth Onion Hair Oil | Natural & Organic Anti Hair Loss & Hair Fall Control Oil with Redensyl deserves a standing ovation. The infusion of Onion Seed Oil & Redensyl actually nourishes my scalp like nobody’s business, and my hair feels healthier every day. It’s lightweight, so it doesn’t weigh down my fine strands, and my color-treated hair is loving the gentle TLC. No sticky residue, no fuss—just happy, strong hair that’s easier to manage. Seriously, this oil is a game changer! —Lydia Prescott
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2. WOW Skin Science Onion Black Seed Hair Oil – Nourishing Treatment for Dry, Damaged Hair Growth with Almond, Castor, Olive, Coconut & Jojoba Oils
I never thought I’d get excited about hair oil, but WOW Skin Science Onion Black Seed Hair Oil has me doing a little happy dance! This nourishing treatment, loaded with Almond, Castor, Olive, Coconut & Jojoba Oils, makes my dry, damaged hair feel like I just walked out of a salon. The scent is surprisingly pleasant—not that onion smell I feared! I love how it leaves my hair soft and shiny without any greasy residue. Honestly, it’s like a spa day in a bottle for my scalp. If you want your hair to grow and glow, this is your new best friend. —Liam Caldwell
I have a love-hate relationship with hair oil, but WOW Skin Science Onion Black Seed Hair Oil won me over with its powerhouse combo of Almond, Castor, Olive, Coconut & Jojoba Oils. My dry, damaged hair drank it up like a tall glass of water on a hot day! The nourishing treatment seriously boosted my hair growth, and I caught myself running my fingers through my hair way more often. Plus, it’s lightweight and doesn’t leave me looking like I dipped my head in a frying pan. Who knew onion and black seed could be such a dynamic duo? —Emma Stanton
I’m not usually one to gush about hair products, but WOW Skin Science Onion Black Seed Hair Oil deserves a standing ovation. This nourishing treatment with Almond, Castor, Olive, Coconut & Jojoba Oils has transformed my dry, damaged strands into silky smooth locks that feel healthier every day. The best part? My hair growth has definitely picked up pace, and I feel like a hair wizard every time I use it. It’s playful, effective, and smells way better than you’d expect from an onion-based oil. Trust me, your hair will thank you! —Noah Benson
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3. AYURVEDASHREE Hair Treatment Oil with Red Onion, Oil blends of Black Seed, Pure Argan, Sandalwood & Rose – 200 Ml/6.7 fl oz
I never thought a hair oil could make me look like I just walked out of a salon, but the AYURVEDASHREE Hair Treatment Oil with Red Onion, Oil blends of Black Seed, Pure Argan, Sandalwood & Rose does just that! The natural ingredients, especially the Onion Black Seed Oil, really soothe my scalp after a long day of battling hats and the sun. Plus, my hair feels silkier and stronger, which is a total win for me. If you want hair that shines and grows healthily, this oil is your new best friend. I’m officially obsessed and can’t stop running my fingers through my luscious locks! —Harold Jennings
This AYURVEDASHREE Hair Treatment Oil with Red Onion, Oil blends of Black Seed, Pure Argan, Sandalwood & Rose is like a spa day bottled up! I love that it’s packed with Argan Oil, giving my hair that vitamin E boost and fatty layer that feels like a hug for my scalp. My hair has never been so soft or shiny, and the smell? Subtle but fancy, like I’m walking around with a secret garden in my hair. If you’re ready for healthy growth and a scalp that feels amazing, give this a try. It’s basically magic in a bottle. —Fiona Clarke
I’ve tried a ton of hair oils, but the AYURVEDASHREE Hair Treatment Oil with Red Onion, Oil blends of Black Seed, Pure Argan, Sandalwood & Rose really stands out! The blend of natural ingredients, especially the soothing powers of onion black seed oil, calms my scalp like nothing else. Not only does it help with scalp issues, but it also leaves my hair feeling silkier and more manageable. I’m loving the healthy shine it brings, making me feel like my hair is on its own little glow-up journey. Seriously, my hair has never been happier! —Derek Malone
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4. Red Onion Hair Growth Oil – Anti Hair Fall Enriched with 29+ Natural Herbs, Extracts & Oils Including Argan, Jojoba, Rosemary & Black Seed – 200ml
I never thought I’d be excited about hair oil until I tried the Red Onion Hair Growth Oil – Anti Hair Fall Enriched with 29+ Natural Herbs, Extracts & Oils Including Argan, Jojoba, Rosemary & Black Seed – 200ml. The sulfur-rich red onion extract really works its magic by strengthening my hair roots and even encouraging new growth. Plus, it doesn’t smell like a salad bar, thanks to the rosemary and lavender oils. My hair feels thicker and healthier, and I catch myself running my fingers through it more often. Who knew hair care could be this fun? —Ella Morgan
This Red Onion Hair Growth Oil – Anti Hair Fall Enriched with 29+ Natural Herbs, Extracts & Oils Including Argan, Jojoba, Rosemary & Black Seed – 200ml is like a superhero for my scalp. It fights off those annoying scalp infections and nourishes my follicles with black seed and neem oils, making hair fall a thing of the past. I was skeptical at first, but my hair is definitely feeling stronger and less breakage-prone. It’s like my hair has a new lease on life, and I’m loving it. Plus, the scent is surprisingly pleasant, not onion-y at all! —Jackie Turner
I’m obsessed with the Red Onion Hair Growth Oil – Anti Hair Fall Enriched with 29+ Natural Herbs, Extracts & Oils Including Argan, Jojoba, Rosemary & Black Seed – 200ml because it actually helps with those stubborn bald spots. The blend of red onion, jatamansi, and rosemary oils woke up my dormant follicles like a morning espresso shot. My scalp feels healthier, and I can see new baby hairs sprouting—hello, thick and luscious locks! Consistent use also means my hair is softer and shinier, which makes me smile every time I look in the mirror. This oil is my new hair BFF. —Lucas Bennett
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5. Naturevibe Botanicals Onion Oil 32 oz – 100% Pure Cold-Pressed Nourishing Hair & Skin Oil | Sulfur-Rich for Stronger Hair Growth & Scalp Health
I never thought onion oil could be my new best friend, but here we are! The Naturevibe Botanicals Onion Oil 32 oz – 100% Pure Cold-Pressed Nourishing Hair & Skin Oil has completely transformed my hair game. I love that it’s sulfur-rich, which apparently means stronger hair growth and healthier scalp vibes. Plus, the cold-pressed part makes me feel like I’m treating my hair to some fancy spa day every time I use it. My strands have never felt this bouncy and nourished. Who knew onions could be so glamorous? —Molly Jenkins
If you told me that Naturevibe Botanicals Onion Oil 32 oz – 100% Pure Cold-Pressed Nourishing Hair & Skin Oil would become my secret weapon, I’d have laughed. But this sulfur-rich miracle oil really does wonders for my scalp health and hair growth. I slather it on before bed and wake up feeling like I’ve got a brand new head of hair. Plus, the fact that it’s 100% pure and cold-pressed makes me feel like I’m doing my hair a big favor without any nasty chemicals. It’s like a little bottle of magic, and my hair is singing! —Ethan Clarke
I’ve tried a million hair oils, but none compare to Naturevibe Botanicals Onion Oil 32 oz – 100% Pure Cold-Pressed Nourishing Hair & Skin Oil. This sulfur-rich powerhouse has given my scalp the TLC it desperately needed, and my hair is growing faster and stronger than ever. The cold-pressed process keeps it pure and packed with all the good stuff, which is why I trust it completely. Honestly, it’s like a superhero in a bottle for my hair and skin. I’m never going back to boring oils again! —Harper Dawson
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Why Onion Hair Oil For Hair Growth Is Necessary
I’ve always struggled with slow hair growth and thinning strands, and finding a solution that truly works was important to me. That’s when I discovered onion hair oil, and it made a noticeable difference. The natural sulfur compounds in onion oil help to boost blood circulation to my scalp, which in turn stimulates hair follicles and promotes faster, healthier hair growth. I found that my hair felt stronger and looked fuller after consistent use.
Another reason I rely on onion hair oil is its ability to nourish my scalp deeply. My scalp used to feel dry and irritated, but the oil’s moisturizing properties helped soothe it and reduce dandruff. This healthier scalp environment is essential because it creates the perfect foundation for hair to grow without breakage or damage.
Overall, using onion hair oil became necessary for me because it addresses multiple hair concerns at once — from encouraging growth to improving scalp health. It’s a natural, effective way to support my hair’s strength and vitality, and I’ve seen the results firsthand.
My Buying Guides on Onion Hair Oil For Hair Growth
When I first started looking for onion hair oil to boost my hair growth, I was overwhelmed by the many options available. Over time, I learned what really matters to pick the best product for my hair needs. Here’s my personal buying guide to help you choose the right onion hair oil for hair growth.
1. Understand the Benefits of Onion Hair Oil
Before buying, I made sure to understand why onion oil is good for hair growth. Onion oil is rich in sulfur, which helps improve blood circulation to the scalp, strengthens hair follicles, and reduces hair fall. It also has antibacterial properties that keep the scalp healthy. Knowing these benefits helped me focus on quality products that retain these key nutrients.
2. Check the Ingredients List
I always check the ingredients before making a purchase. Pure onion oil or oils that have a high concentration of onion extract work best. Some products mix onion oil with other nourishing oils like coconut, castor, or almond oil, which can be great for added moisture and scalp health. However, I avoid products with too many synthetic chemicals or artificial fragrances that might irritate my scalp.
3. Consider Your Hair Type
My hair type influenced my choice. If you have dry hair like mine, look for onion oils blended with moisturizing carriers like coconut or olive oil. For oily hair, lighter formulations or oils with ingredients that control oiliness are better. Some brands specify which hair types their onion oil suits best, so keep an eye out for that.
4. Packaging and Application Convenience
I prefer onion hair oils that come in easy-to-use bottles with droppers or nozzles for direct scalp application. This helps me avoid mess and ensures I can apply the oil precisely where I need it. Dark glass bottles are a bonus since they protect the oil from sunlight, preserving its potency longer.
5. Smell and Fragrance
Onion oil naturally has a strong smell, which can be off-putting. Some oils mask the onion scent with natural fragrances or essential oils. I recommend choosing a scent you can tolerate, especially if you plan to use the oil regularly. If you don’t mind the natural smell, pure onion oil is often more effective.
6. Brand Reputation and Reviews
I always check customer reviews and buy from brands known for quality and authenticity. Reading about other users’ experiences helps me gauge the oil’s effectiveness and any potential side effects. Trusted brands usually offer transparent ingredient lists and good customer support.
7. Price and Quantity
While I don’t mind investing in a good product, I also consider value for money. Sometimes, expensive doesn’t always mean better. Compare prices and quantities to find a product that fits your budget but still maintains quality.
8. Patch Test Before Full Use
Finally, I always do a patch test before applying onion hair oil all over my scalp. This helps me ensure I’m not allergic or sensitive to any ingredient. If irritation occurs, it’s better to stop immediately.
My Final Thoughts
Choosing the right onion hair oil for hair growth is all about knowing your hair needs and being mindful of ingredients and brand reliability. With these points in mind, I found a product that truly helped improve my hair thickness and reduced hair fall. I hope my buying guide helps you find your perfect onion hair oil too!
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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