Mustard Oil for Hair Growth: Side Effects, Usage Guide, Before & After
BY TRYBELLO
Aug 4, 2025
Key Takeaways
- Mustard oil contains omega-3 fatty acids, vitamins, and minerals that nourish hair follicles and may promote healthier hair growth
- The warming effect of mustard oil increases scalp circulation, potentially delivering more nutrients to hair follicles
- A consistent application schedule (2–3 times weekly) typically shows the best results for hair thickness and reduced fallout
- Always perform a patch test before full application as mustard oil can cause irritation for some skin types
- Trybello's Hair Helper Spray is a modern alternative that captures the circulation-boosting benefits of traditional oils through scientifically-formulated ingredients like ginger extract and castor oil, delivered in a convenient spray format.
Mustard Oil Hair Benefits
When it comes to natural hair care, few ingredients offer the comprehensive benefits of mustard oil. This traditional remedy has earned its reputation through generations of use, particularly in South Asian countries where healthy, lustrous hair is often attributed to regular mustard oil treatments. The benefits extend beyond just making your hair look better; mustard oil addresses hair health at its roots, literally.
Nutrient Content
The power of mustard oil lies in its impressive nutritional profile. It’s packed with vitamins A, D, E, and K, which are essential for maintaining healthy hair. Vitamin E, in particular, acts as a powerful antioxidant that helps protect hair follicles from oxidative stress and damage. The omega-3 fatty acids in mustard oil provide deep nourishment to hair shafts, potentially reducing breakage and split ends.
Additionally, mustard oil contains minerals like calcium, iron, and magnesium that support overall hair health. These nutrients penetrate the scalp and follicles, providing nourishment from the inside out.
Scalp Circulation
One of mustard oil's most distinctive traits is the warming sensation it creates when applied to the skin. This is actually one of the oil's most beneficial properties for hair growth. The natural compounds in mustard oil, particularly allyl isothiocyanate, stimulate blood circulation in the scalp, creating a tingling sensation that indicates increased blood flow to the hair follicles.
Improved circulation means more oxygen and nutrients are delivered to your hair roots. This circulation-boosting effect can be particularly beneficial for those experiencing hair thinning due to poor blood flow to the scalp, which often occurs with age or certain health conditions.
Antibacterial Properties
A healthy scalp is the foundation for healthy hair, and mustard oil excels at creating an optimal scalp environment.
Mustard oil contains natural antibacterial and antifungal compounds that help combat common scalp issues like dandruff, fungal infections, and bacterial overgrowth. These conditions can clog hair follicles and impede growth, so keeping them at bay is crucial for maintaining hair health.
The antimicrobial properties of mustard oil can help soothe an itchy, irritated scalp, a common issue that not only causes discomfort but can lead to excessive scratching and hair damage. By addressing these underlying scalp concerns, mustard oil creates a clean, balanced environment where hair can grow unimpeded by inflammation or infection.
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Usage Guide
Plain Application
The simplest way to use mustard oil is through direct application to your scalp and hair.
Start with about 2–3 tablespoons of oil, warming it slightly between your palms. Using your fingertips, gently massage the oil into your scalp using circular motions. This massage technique is crucial, as it helps stimulate blood flow while ensuring the oil reaches the hair follicles where it's most needed.
Hot Oil Treatment
For an intensified treatment, especially beneficial for very dry or damaged hair, consider a hot oil treatment with mustard oil. Gently warm 3–4 tablespoons of mustard oil in a double boiler until it's comfortably warm but not hot. Test the temperature on your wrist before applying it to your scalp to avoid burns. The warmth enhances the oil's circulation-boosting properties while helping it penetrate the hair shaft more effectively.
With Essential Oils
Enhance mustard oil's benefits by blending it with complementary essential oils. Rosemary essential oil is known for stimulating hair growth, while lavender can soothe an irritated scalp. Peppermint oil creates an invigorating sensation that further boosts circulation. Add 5–10 drops of your chosen essential oil to 2 tablespoons of mustard oil for a customized treatment.
These essential oil blends both enhance mustard oil's effectiveness and modify its strong scent, which some people find overpowering.
Side Effects
Skin Irritation
The most common side effect of mustard oil is skin irritation due to its warming properties. The oil contains compounds that stimulate blood flow by creating a heating sensation on the skin. While this warming effect is beneficial for stimulating hair follicles, it can be too intense for some people, causing redness, burning, or discomfort on the scalp.
Allergic Reactions
Some individuals may experience allergic reactions to mustard oil, particularly those with known allergies to mustard or related plants in the Brassicaceae family. Allergic responses can range from mild symptoms like itching and hives to more severe reactions in rare cases. If you have a history of food allergies, particularly to mustard, exercise extra caution when considering mustard oil for hair treatments.
Signs of an allergic reaction include persistent itching, raised red bumps, swelling, or difficulty breathing.
If you experience any of these symptoms after applying mustard oil, wash it off immediately and seek medical attention if needed.
Erucic Acid Concerns
Mustard oil contains erucic acid, a monounsaturated omega-9 fatty acid that has been a subject of debate in nutritional circles. While concerns about erucic acid primarily relate to internal consumption rather than topical application, it's worth noting for those researching mustard oil's safety profile. The FDA has not approved mustard oil for internal consumption in the United States due to these concerns, though it remains widely used in cooking throughout South Asia.
Before & After Results
First Month Changes
During the first few weeks of regular mustard oil treatments, you'll likely notice improvements in your scalp condition before seeing changes in your hair.
Some users notice a reduction in hair fall during the first month, though this varies considerably among individuals. If you've been experiencing excessive shedding, you might see fewer hairs in your brush or shower drain after 3–4 weeks of consistent treatments. Keep in mind that normal hair shedding (50–100 hairs daily) will continue even with successful treatments.
Three Month Progress
By the 3-month mark, more significant changes typically become apparent for those who respond well to mustard oil treatments. This is when many users begin to notice new hair growth, particularly around the hairline and in areas where thinning was previously visible. These new hairs may appear finer at first but typically thicken with continued treatment.
Long-Term Benefits
With 6 months or more of consistent application, the full benefits of mustard oil for hair health typically manifest. Long-term users often report significant reduction in hair breakage, and enhanced overall hair health. The cumulative effects of improved circulation, follicle stimulation, and enhanced nutrient delivery to the scalp can result in hair that not only appears healthier but is structurally stronger from root to tip.
Trybello's Innovation: Modernizing Traditional Hair Growth Wisdom
At Trybello, we've studied the mechanisms behind mustard oil's effectiveness, particularly its circulation-boosting properties and nutrient delivery, and incorporated these principles into advanced formulations that deliver superior results with enhanced safety and convenience.
Trybello Hair Helper Spray optimizes natural ingredients for your lifestyle while maintaining their effectiveness.
Our Bello Hair Helper Spray combines the warming, circulation-enhancing benefits found in mustard oil through carefully selected ingredients like ginger extract (which creates gentle scalp stimulation) and castor oil (proven for hair thickness and growth).
The formula also includes biotin for strengthening hair structure, caffeine for direct follicle stimulation, and rice ferment filtrate that delivers amino acids and nutrients essential for healthy hair growth. This sophisticated blend works synergistically to address multiple hair growth pathways simultaneously, while the convenient spray application ensures consistent dosing and eliminates the guesswork of oil dilution.
Simply spray 1–2 pumps directly onto your scalp, massage gently to enhance absorption, and leave for 30 minutes or overnight, achieving the benefits of traditional oil treatments without the mess, strong odors, or skin irritation concerns.
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