NL HAIR GROWTH SERUM

60mL

$149.00

NL HAIR GROWTH SERUM

1198 reviews

$149.00

Our award-winning daily hair treatment. Intensely restorative, hydrating and nourishing. Supports follicle renewal to boost strength, shine and fullness. Backed by years of trichology research and innovation. Powered by Dr. Ron’s Advanced Growth Complex.

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How To Apply

On clean, dry hair or scalp, apply a few drops of serum evenly in the morning or at night for best results.

Use your fingertips to gently massage the serum into the scalp in small circular motions to stimulate absorption and blood flow.
Distribute the remaining serum through the lengths and ends to nourish and smooth the hair.
Allow it to fully absorb before styling, leaving hair soft, strong, and visibly refreshed.

– Use daily for optimal results
– Apply to damp hair before styling for added shine
– Can be used overnight as an intensive scalp treatment

Lab-Tested, User-Loved

Clinically Studied, User Proven

The NL Hair Growth Serum

92%

Agree hair feels noticeably stronger and healthier over time.

89%

Agree hair looks fuller, thicker, and more voluminous.

97%

Agree hair fall and shedding visibly reduce over time.

All results for this product

Next Level Hair Growth Serum

Key Benefits

– A luxury daily serum clinically shown to help reduce hair thinning and breakage while promoting visibly thicker, fuller strands.

– Deeply nourishes, strengthens, and revitalizes hair from root to tip for smoother texture and lasting shine.

– Supports scalp health, boosts follicle renewal, and improves overall resilience for stronger, denser-looking hair.

– Protects against heat, pollution, and daily stressors that weaken strands over time.

– Dr. Ron’s Advanced Growth Complex supports natural regeneration and enhances absorption of key actives.

Visible Results

– 88% saw visible improvement in thickness and volume

– 93% reported softer, more manageable hair

– 90% felt their scalp and hair were healthier overall 

See clinical and user results

About

– A rich, silky, fast-absorbing serum designed to transform hair quality and promote long-term strength.

– Ideal for all hair types, especially damaged, thinning, or chemically treated strands.

– Fragrance-free. Vegan. Clean formulation.

– See ingredients– Free From: Sulfates, Parabens, Silicones, Mineral Oil, Phthalates, and Synthetic Dyes

Inside the Formula

Next Level Hair Growth Serum blends science and nourishment to bring life back to dull, thinning hair. Infused with Dr. Ron’s Advanced Growth Complex, it targets weak roots, supports scalp renewal, and enhances natural resilience from within.

Each drop delivers intense hydration and repair while improving texture, shine, and volume. The serum works on both scalp and strands to strengthen hair over time, protect against daily damage, and restore its natural vitality and bounce.

1 Dr. Ron’s formula delivers essential nutrients and active plant compounds to the scalp, creating and supporting an optimal environment for healthier, stronger hair regeneration.

2 This formula transforms powerful botanical extracts into smarter, adaptive hair care capable of targeting visible thinning, breakage, shedding, scalp inflammation, and damage caused by environmental or hormonal stressors.

3 Dr. Ron’s blend nourishes and protects, helping train the follicles for the long-term to grow thicker, fuller, and more resilient strands from root to tip.

Pure and high quality

Key Ingredients

Next Level Hair Growth Serum is crafted with responsibly sourced, high-performance botanicals and clinically proven actives, formulated to support scalp health while reducing environmental impact.

THE SERUM

Powered by Dr. Ron’s Advanced Growth Complex, this formula features biotin, caffeine, niacinamide, and plant oils rich in vitamins and antioxidants. Together, they strengthen follicles, boost renewal, and promote thicker, healthier hair. Swipe to see key ingredients.

Biotin

A vital nutrient that strengthens hair from the inside out by supporting keratin production. It helps reduce breakage, improves elasticity, and promotes stronger, thicker strands with every use. Regular application helps reinforce the hair structure for lasting resilience.

Caffeine

Energizes the scalp and stimulates blood flow to the follicles, helping awaken dormant roots and extend the natural growth phase. It works to enhance density and overall scalp health. Over time, it helps improve volume and revitalizes dull, tired hair.

Argan Oil

Rich in antioxidants, vitamins, and fatty acids, it restores shine, smoothness, and strength. Argan oil nourishes dry, damaged strands while protecting them from heat and environmental damage. It leaves hair softer, more manageable, and naturally radiant.

Niacinamide

A soothing form of Vitamin B3 that improves scalp hydration and balance. It supports a healthy barrier, reduces irritation, and helps deliver essential nutrients directly to the follicles. It also aids in reducing inflammation and strengthening follicle function.

Customer Reviews

I’ve tried countless hair products, but nothing compares to this serum. Within weeks, my hair started feeling thicker, softer, and noticeably stronger from the roots. The shine looks natural and the texture feels silky without being heavy. It’s easily become a staple in my daily routine.

Samantha R., Los Angeles

My scalp feels healthier and my hair has become softer and shinier. I’ve struggled with thinning for years, but after using this serum consistently, I can actually see volume coming back. Love that it’s fragrance-free and clean.

Mary Ellen B.

The serum feels silky and smooth when applied, almost like a luxury skincare product—but for the scalp. I’ve been using it morning and night, and the improvement in both texture and volume is incredible. Worth every penny.

Terry C.

I used to dread brushing my hair because of all the shedding. After 2 months with this serum, the hair fall has reduced drastically. My scalp feels nourished and I’m seeing thicker strands. This has been a game-changer for me.

Angie H.

“Thank you for trusting us with your hair regrowth journey. This patented NLSF9 formula was created with years of research and care, designed to be safe, plant-based, and proven to deliver real results within weeks. Every drop is made to restore not just your hair, but your confidence. I am honored to be part of your transformation.

Dr. Ron MD, Trichologist

Next Level Hair Growth Serum stands apart because it blends clinically proven actives with advanced botanical nourishment in a lightweight, fast-absorbing formula. Unlike many serums that only coat the hair, this one works at the root level with Dr. Ron’s Advanced Growth Complex, featuring biotin, caffeine, niacinamide, and antioxidant-rich plant oils. It targets thinning, shedding, and weak follicles while also protecting against daily stressors like heat and pollution. The result is not just thicker-looking hair but stronger, healthier strands from scalp to tip—delivered in a clean, vegan, non-greasy formula suitable for all hair types and genders.

Yes! The serum is designed for safe, once-a-day use on all hair types. For best results, apply it consistently to a clean, dry scalp. Since it’s lightweight and non-greasy, it won’t weigh your hair down and can be used as part of your everyday routine.

No. Next Level Hair Growth Serum is formulated to be lightweight and fast-absorbing, so it nourishes the scalp without leaving any oily or sticky residue. It sinks in quickly, making it easy to use daily—even before styling—without making hair look greasy or weighed down.

Most users begin to notice visible improvements in 30–45 days of consistent daily use—such as reduced shedding, healthier scalp, and early signs of new growth. With continued use over 2–3 months, hair typically looks fuller, thicker, and stronger. Individual results may vary based on hair condition and lifestyle.

Yes. Next Level Hair Growth Serum is designed to work seamlessly with your existing hair routine. You can apply it before using styling products, oils, or heat protectants. Just make sure to apply the serum first on a clean, dry scalp so it fully absorbs before layering on other products.

Yes! Next Level Hair Growth Serum is formulated to be safe and effective for all hair types, including straight, wavy, curly, coily, thick, or fine hair. Whether your hair is healthy, thinning, or chemically treated, the lightweight, non-greasy formula nourishes the scalp, strengthens strands, and promotes fuller, healthier-looking hair.

Yes! Next Level Hair Growth Serum is 100% vegan and formulated without sulfates, parabens, silicones, mineral oils, phthalates, or synthetic dyes. It’s a clean, safe, and gentle serum designed to nourish your scalp and hair without any harmful ingredients.

Absolutely! Next Level Hair Growth Serum is suitable for all genders. It’s designed to target thinning, shedding, and weak hair while promoting scalp health, stronger strands, and fuller-looking hair—making it effective for both men and women.

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