Best Oils for Fast Hair Growth: What Works and How to Use Them

Here are the best oils for fast hair growth and how to use them effectively for longer, thicker, healthier hair.

Shivani Pathak

Shivani Pathak

19 Aug ‘25
Hair Oil Hair Growth Remedies Hair Care
Hair Oil Hair Growth Remedies Hair Care

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If you’ve ever found yourself wondering how to get longer, thicker hair without expensive salon treatments or supplements, you’re not alone. Whether it’s postpartum shedding, seasonal hair fall, or simply a desire for that lush, Rapunzel-worthy mane, hair growth is one of the top beauty goals for many. And guess what? Your answer might be sitting in a bottle already. Yes, we’re talking about fast hair growth oils.

Let’s explore which oil makes hair grow faster, how to use them, and what dermatologists and DIYers alike have to say.

How Hair Growth Works

How Hair Growth Works

Before we dive into which hair oil for hair growth actually works, let’s quickly understand how hair grows. Hair goes through three key phases: the growth phase (anagen), the transitional phase (catagen), and the resting/shedding phase (telogen). For oils to help, they need to support the scalp, stimulate follicles, reduce inflammation, and keep strands strong and hydrated.

This is where oil hair growth faster solutions really shine.

Benefits You Can Expect

Benefits You Can Expect

Regular use of the best oil for fast hair growth doesn’t just help your hair grow—it helps it grow better.

Reduced hair fall

Oils like castor oil and onion oil are rich in sulfur, omega-6 fatty acids, and antioxidants that help nourish the scalp and strengthen hair at the root—reducing breakage and fallout over time. Almond oil, with its magnesium content, is also effective in reducing hair thinning and loss caused by stress or nutritional deficiencies.

Thicker, shinier strands

Argan oil is packed with vitamin E and essential fatty acids, which coat the hair shaft, smooth the cuticle, and enhance shine without weighing it down. Avocado oil helps fill in damaged areas on the hair strand, making hair appear fuller and more lustrous.

Thicker, shinier strands

Oils like castor oil and onion oil are rich in sulfur, omega-6 fatty acids, and antioxidants that help nourish the scalp and strengthen hair at the root—reducing breakage and fallout over time. Almond oil, with its magnesium content, is also effective in reducing hair thinning and loss caused by stress or nutritional deficiencies.

Healthier, flake-free scalp

Tea tree oil and jojoba oil are known for their antimicrobial and anti-inflammatory properties. They help treat scalp conditions like dandruff, flakiness, and mild fungal infections while restoring the scalp’s natural oil balance.

Less breakage and split ends

Regular oiling with olive oil or coconut oil prevents protein loss from the hair, reduces dryness, and seals moisture into the strands. This helps protect against mechanical damage (like brushing or styling), leading to fewer split ends and breakage.

Faster Visible Hair Growth Timeline

With consistent use, growth-stimulating oils like rosemary oil, castor oil, and onion oil can show noticeable results in 6–8 weeks. These oils stimulate hair follicles, extend the growth phase of the hair cycle, and support faster regrowth in thinning areas.

Improved Scalp Circulation

Massaging oils into the scalp—especially rosemary or tea tree oil diluted in a carrier oil—boosts blood flow to the follicles. Better circulation means more oxygen and nutrients reach the hair roots, encouraging healthier and faster growth.

Strengthening Hair from Root to Tip

Coconut oil and almond oil penetrate deep into the hair shaft to strengthen strands from within. This reduces internal damage caused by heat tools or chemical treatments and helps fortify the hair’s natural structure.

Oils as Multi-Tasking Treatments

Many of these oils act as more than just growth aids. Argan oil works beautifully as a frizz-fighting leave-in, olive oilmakes for a great deep-conditioning mask, and avocado oil can even be blended into DIY scalp scrubs. Use them as detanglers, pre-wash masks, or heat protectants depending on your hair's needs.

Scalp Soothing and Dandruff Control

Thanks to its antifungal and cooling properties, tea tree oil can significantly reduce scalp itching and flaking. When combined with calming oils like jojoba or almond oil, it creates a powerful remedy for sensitive or irritated scalps.

Oils also double up as detanglers, heat protectants, and even pre-wash masks.

Best Fast Hair Growth Oils That Actually Work

So, which are the best oils to get the job done? Let’s break them down.

1. Castor Oil

Castor Oil

A cult favourite for a reason, castor oil for hair is packed with ricinoleic acid, which helps stimulate blood circulation in the scalp and nourish hair follicles.

Best for: Dry, brittle hair and sparse lash or brow growth
How to use: Warm slightly and massage into the scalp. Leave overnight and rinse thoroughly.

2. Rosemary Oil

Rosemary Oil

Rosemary oil has gained major traction for being a natural alternative to minoxidil (yes, the hair regrowth medication). It’s known to improve cellular generation and increase circulation to the scalp.

Best for: Thinning hair and hairline regrowth
How to use: Mix a few drops with a carrier oil like coconut oil and massage onto the scalp 2–3 times a week.

3. Onion Oil

Onion Oil

Don’t let the smell put you off. Onion oil is rich in sulphur, which is crucial for hair growth and strength. It’s been used in Ayurveda for centuries.

Best for: Breakage, dullness, and slow-growing hair
How to use: Use a pre-formulated onion hair oil, or mix onion juice with carrier oil. Leave for 30 minutes and wash thoroughly.

4. Coconut Oil

Coconut Oil

A kitchen staple that needs no introduction. Coconut oil penetrates deep into the hair shaft, reduces protein loss, and works wonders as a sealant.

Best for: Damaged, frizzy, or colour-treated hair
How to use: Apply generously from roots to tips, leave for a few hours or overnight, and shampoo out.

5. Argan Oil

Argan Oil

Often referred to as "liquid gold," argan oil is rich in antioxidants, vitamin E, and essential fatty acids. It adds shine, tames frizz, and helps protect against heat damage.

Best for: Dry, dull, or heat-styled hair
How to use: Use a few drops on damp hair before styling, or apply to dry hair to smooth flyaways.

6. Jojoba Oil

Jojoba Oil

Closely resembles the natural oils produced by the scalp, making it excellent for moisturizing without clogging pores. It also helps balance oil production.

Best for: Oily or acne-prone scalps, fine hair
How to use: Massage into the scalp or apply to hair ends; leave on for 30 minutes to an hour, then rinse.

7. Olive Oil

Olive Oil

Packed with antioxidants and vitamins A and E, olive oil softens hair, reduces breakage, and helps manage split ends.

Best for: Thick, dry, or chemically treated hair
How to use: Warm slightly and massage into hair and scalp. Leave for 1–2 hours before washing out.

8. Almond Oil

Almond Oil

Lightweight yet deeply nourishing, almond oil is rich in magnesium and biotin, which can help reduce hair breakage and promote growth.

Best for: Weak, thinning, or brittle hair
How to use: Apply a few drops to the scalp or mix with your regular hair oil for added benefits.

9. Avocado Oil

Avocado Oil

Loaded with vitamins A, D, and E, as well as amino acids, avocado oil strengthens the hair shaft and provides intense hydration.

Best for: Dry, coarse, or curly hair
How to use: Use as a pre-wash treatment or mix into your conditioner for extra moisture.

10. Tea Tree Oil

Tea Tree Oil

Known for its antifungal and antibacterial properties, tea tree oil helps treat dandruff, soothe itchy scalps, and unclog hair follicles.

Best for: Dandruff-prone or irritated scalps
How to use: Dilute a few drops with a carrier oil (like coconut or jojoba) and massage into the scalp. Leave for 20–30 minutes, then shampoo.

BePicks

Benefits Usage Hair Types Comparisons
Benefits Usage Hair Types Comparisons
Shivani Pathak

Shivani Pathak

Shivani Pathak is a Mumbai-based lifestyle writer. She has written across a diverse range of formats, including digital features, interviews, trend stories, personal essays, and listicles. Her work has appeared in publications such as Tweak India, Luxebook, DNA, Mongabay, and Indiaspend. When she’s not writing and obsessing over sentence structures, you can find her buried in a book with a cup of coffee by her side.