6 Nourishing Oils To Thicken Your Eyebrows Naturally

Full, defined eyebrows are more than just a beauty trend—they frame your face, enhance expression, and bring balance to your features. While makeup products can fill in sparse brows temporarily, nourishing oils offer a more sustainable solution. Rich in vitamins, fatty acids, and antioxidants, these oils can strengthen hair follicles, stimulate growth, and give your brows a naturally thicker appearance over time.

If you’ve been dreaming of lush brows, here are six natural oils that can help you get there—backed by science and expert insights.

Top 6 Nourishing Oils That Boost Eyebrow Growth

1. Castor Oil – The Brow Thickening Classic

If you’ve ever searched for natural eyebrow growth remedies, castor oil probably topped the list—and for good reason. Extracted from the seeds of the Ricinus communis plant, castor oil is rich in ricinoleic acid, a unique fatty acid known to promote circulation to hair follicles. This improved blood flow helps nourish and stimulate dormant follicles, encouraging new hair growth.

Additionally, castor oil contains vitamin E and omega-6 fatty acids, both of which strengthen existing brow hairs and prevent breakage. According to a study published in the Journal of Ethnopharmacology, ricinoleic acid has anti-inflammatory and prostaglandin-enhancing properties that may support hair regrowth at the root level (1).

How to use:

• Cleanse your face and brows thoroughly.
• Dip a clean spoolie brush or cotton swab into cold-pressed castor oil.
• Apply gently in the direction of hair growth.
• Leave overnight and rinse off in the morning with warm water.

Tip: Use regularly (4–5 times a week) for noticeable results in 6–8 weeks.

2. Coconut Oil – The Deep Conditioner

Coconut oil does more than hydrate your skin—it deeply nourishes eyebrow hair from the roots. It’s packed with lauric acid, vitamin E, and iron, which work together to protect hair proteins and prevent breakage. Lauric acid also has antimicrobial properties, keeping the skin beneath your brows healthy and free from infections that could hinder growth.

Studies published in the Journal of Cosmetic Science confirm that coconut oil significantly reduces protein loss in hair strands, making them stronger and more resilient (2). When applied to brows, it helps minimize thinning and promotes a shinier, denser appearance.

How to use:

• Warm a drop of virgin coconut oil between your fingertips.
• Gently massage it into your eyebrows for 1–2 minutes.
• Leave it on overnight or for at least 30 minutes before rinsing.

Tip: It’s ideal for daily use, especially if your brows feel dry or brittle.

3. Olive Oil – The Vitamin Powerhouse

Known for centuries as a beauty elixir, olive oil is abundant in vitamin A, vitamin E, and oleic acid—nutrients that protect hair keratin and promote healthy growth. Vitamin E is a potent antioxidant that helps repair damage from free radicals, while vitamin A supports the production of sebum, the body’s natural conditioner that keeps hair soft and hydrated.

A report from the International Journal of Trichology notes that vitamin E reduces oxidative stress in hair follicles, potentially improving growth density (3). Olive oil’s emollient properties also make your brow hair shinier and smoother, enhancing its overall appearance.

How to use:

• Apply a drop or two of extra-virgin olive oil to your brows using your fingers.
• Massage in small circular motions to boost circulation.
• Leave on for an hour or overnight for deep nourishment.

Tip: Use 3–4 times weekly for visible shine and fullness.

4. Almond Oil – The Gentle Strengthener

Almond oil is a lightweight yet powerful ingredient for brow care. It’s rich in magnesium, biotin (vitamin B7), and vitamin E—all crucial nutrients for strengthening hair and encouraging thicker growth. Regular use can help reduce thinning caused by over-plucking, makeup, or age-related hair loss.

Biotin, in particular, has been linked in several dermatological studies to improved keratin production, which strengthens both hair and nails. Almond oil’s anti-inflammatory and hypoallergenic properties make it gentle enough for sensitive skin, preventing redness or irritation around the delicate brow area (4).

How to use:

• Warm a small amount between your palms.
• Apply evenly across your brows and massage gently.
• Leave overnight and rinse off in the morning.

Tip: It pairs beautifully with castor oil for a balanced growth and conditioning blend.

5. Jojoba Oil – The Follicle Protector

Unlike many oils that sit on the skin’s surface, jojoba oil closely resembles human sebum—the natural oil our skin produces. This similarity allows it to penetrate deeply and regulate the moisture balance of the brow area. Jojoba oil helps unclog hair follicles, providing a clean environment for new hairs to grow.

It’s also rich in vitamin E, zinc, and omega fatty acids, which protect existing brow hairs from damage and breakage (5). Because jojoba oil has a non-greasy texture, it’s ideal for daytime use or as a natural brow serum under makeup.

How to use:

• Dab a few drops of pure jojoba oil on your brows with a clean fingertip.
• Gently massage for 30–60 seconds.
• Leave on without rinsing—it absorbs quickly.

Tip: Mix with argan or almond oil for an added nutrient boost.

6. Argan Oil – The Growth Booster

Often called “liquid gold”, argan oil is a Moroccan beauty staple loaded with vitamin E, antioxidants, and omega-6 fatty acids. These nutrients repair and rejuvenate hair follicles, encouraging healthier, thicker growth. Its lightweight texture makes it perfect for both day and night use, as it hydrates without clogging pores.

Argan oil also helps prevent brow hair from falling out due to dryness or damage by restoring natural elasticity. Studies have shown that argan oil’s high tocopherol (vitamin E) content improves hair fiber elasticity and reduces breakage—key factors for fuller brows (6).

How to Use:

• Apply a drop to each eyebrow using your fingertip or a cotton swab.
• Massage gently to stimulate the follicles.
• Leave overnight or for at least an hour before rinsing.

Tip: Use daily to enhance natural shine and density.

DIY Eyebrow Growth Oil Blend Recipe

If you’d like to supercharge your brow care routine, try making your own DIY eyebrow growth serum at home. This easy blend combines some of the most effective oils mentioned above—castor, coconut, and almond oil—for a nutrient-rich formula that promotes stronger, thicker, and healthier eyebrows naturally.

Ingredients:

• 1 tablespoon cold-pressed castor oil (stimulates follicle growth)
• 1 tablespoon coconut oil (deeply conditions and strengthens)
• 1 teaspoon sweet almond oil (adds softness and shine)
• Optional: 2–3 drops of vitamin E oil (protects against oxidative damage)

Instructions:

• In a small glass bottle or container, combine all the oils.
• Shake well to mix the ingredients thoroughly.
• Use a clean spoolie or cotton swab to apply a small amount of the blend to your eyebrows each night before bed.
• Massage gently for 1–2 minutes to boost circulation.
• Leave overnight and rinse with lukewarm water in the morning.

Storage Tip: Keep your DIY eyebrow oil blend in a dark, airtight glass bottle and store it in a cool, dry place. It can last up to 6 months if stored properly.

Pro Tip: Apply consistently every night for 6–8 weeks. You can also use this blend as a conditioning treatment twice a week if you’re already using another single oil regularly.

Achieving thicker eyebrows isn’t about overnight miracles—it’s about consistent care. By integrating these six nourishing oils into your nightly beauty routine, you’ll feed your follicles the nutrients they need to thrive. Over time, your brows will appear denser, healthier, and naturally beautiful—without relying on makeup or costly treatments.