Dr. Groot™ Scalp Revitalizing Solution Hair Thickening Roll On Serum
Dr. Groot™ Scalp Revitalizing Solution Hair Thickening Roll On Serum
Dr. Groot™ Scalp Revitalizing Solution Hair Thickening Roll On Serum
Dr. Groot™ Scalp Revitalizing Solution Hair Thickening Roll On Serum
Dr. Groot™ Scalp Revitalizing Solution Hair Thickening Roll On Serum
Dr. Groot™ Scalp Revitalizing Solution Hair Thickening Roll On Serum
Dr. Groot™ Scalp Revitalizing Solution Hair Thickening Roll On Serum
Dr. Groot™ Scalp Revitalizing Solution Hair Thickening Roll On Serum

Dr. Groot™ Scalp Revitalizing Solution Hair Thickening Roll On Serum

(12,902 Reviews)
Title

Clinically proven to thicken & volumize thinning hair in just 2 weeks

Deeply hydrates scalp while balancing oil & reducing buildup

Strengthens roots for fuller, shinier, and healthier-looking hair

30-day money-back guarantee

Limited stock — shipped within 24 hours ⏱️
Title

"My scalp feels so fresh and healthy now. The redness is gone and my hair actually looks thicker at the roots!"

  • Sara J. - Verified customer
Title

ingredients

Key Actives

  • Biotin – strengthens hair and supports growth
     
  • Rosemary Oil – stimulates scalp circulation
     
  • Caffeine – energizes hair follicles
     
  • Prebiotics & Ferments – balance the scalp microbiome
     
  • Ginseng, Green Tea, Centella & Ginger Extracts – soothe, hydrate, and repair

Clean & Safe Formula

❌ Free from parabens, sulfates, silicones, and gluten
🎨 Safe for color-treated hair
🧪 Dermatologically tested

most common questions

Q: How do I apply the roll-on serum?
A: Simply part your hair and roll the metal tip directly onto the scalp. Massage gently with your fingertips to help absorption.

Q: How often should I use it?
A: For best results, use daily — either morning or night. It’s lightweight and non-sticky, so it won’t interfere with your styling routine.

Q: Will it make my hair greasy?
A: No. In fact, clinical tests show it reduces excess scalp oil by 46% while keeping the scalp hydrated.

Q: Can I use it with other hair products?
A: Yes. The serum is designed to layer well with shampoos, conditioners, and styling products without leaving buildup.

Q: Is it suitable for sensitive skin?
A: Absolutely. It is dermatologically tested, free from parabens, sulfates, silicones, and safe for all scalp types.

Q: How long until I see results?
A: Clinical studies show visible scalp improvements in just 2 weeks, with thicker, fuller-looking hair over continued use.

shipping

All orders are packaged, prepared and shipped within 12 to 48 hours. The usual delivery time is 5 to 12 working days. 

 

Depending on where you are located, you may receive your items much sooner.

our guarantee

If you are not 100% satisfied within the first 30 days, simply return the product to us and we will refund you in full.

You don't have to worry about return shipping costs: we take care of everything!

et si vous pouviez vous sentir à nouveau pleinement vous-même ?

Ce n’est pas seulement une question de peau plus lisse ou d’énergie retrouvée.
C’est le plaisir de se réveiller léger(e), de penser clairement, de sourire sans effort.

C’est retrouver l’envie de faire des choses.
De vous sentir vivant(e), aligné(e), et en pleine possession de vos moyens.

ZOOONE NAD+ n’est pas un simple complément.
C’est une invitation à reprendre le contrôle sur votre vitalité, votre clarté mentale, et votre bien-être intérieur.

achetez maintenant

loved by +12,000 customers

why choose dr. groot™ hair thickening roll on serum?

Visibly Thicker, Fuller Hair

Biotin and Niacinamide strengthen roots and boost density, helping hair look fuller and healthier from the scalp up.

Clinically Proven Scalp Hydration

In just 2 weeks, scalp moisture improves while redness and oil are reduced — restoring balance for long-term scalp health.

Strengthens Roots & Reduces Shedding

Caffeine energizes hair follicles while Ginseng and Green Tea support stronger, more resilient strands with less breakage.

Clean Formula, Gentle on All Hair Types

Free from parabens, sulfates, and silicones safe for sensitive scalps and color-treated hair. Lightweight, cooling, and non-sticky.

backed by science, trusted worldwide

The Scalp Revitalizing Solution is more than just a serum — it’s a dermatologist-tested scalp treatment developed by Korean hair scientists.

Clinically proven in just 2 weeks:

  • +30% scalp hydration
  • -46% excess scalp oil
  • +10% increase in hair thickness
  • Reduced scalp redness by 39.5%

Powered by Biotin, Niacinamide, Caffeine, and soothing plant extracts, this innovative roll-on restores balance to the scalp while strengthening follicles for thicker, healthier-looking hair.

backed by science, trustedworldwide

The Scalp Revitalizing Solution is more than just a serum — it’s a dermatologist-tested scalp treatment developed by Korean hair scientists.

Clinically proven in just 2 weeks:

  • +30% scalp hydration
  • -46% excess scalp oil
  • +10% increase in hair thickness
  • Reduced scalp redness by 39.5%

Powered by Biotin, Niacinamide, Caffeine, and soothing plant extracts, this innovative roll-on restores balance to the scalp while strengthening follicles for thicker, healthier-looking hair.

real results in just 2 weeks*

real results in just 2 weeks*

Results based on instrumental clinical test data.

TRY IT NOW

the korean secret to thicker, healthier hair

At Dr. Groot™, we believe healthy hair begins with a nourished scalp. That’s why our Scalp Revitalizing Solution blends biotin, caffeine, and niacinamide with advanced Korean hair science to restore balance and vitality right from the root.

Unlike ordinary treatments that only sit on the surface, our cooling roll-on formula delivers micro-targeted actives deep into the scalp. It works to soothe irritation, boost circulation, and hydrate, while the unique metal tip provides a refreshing massage effect.

The result? Stronger roots, thicker-looking hair, and lasting scalp comfort. Trusted by millions in Korea and around the world, Dr. Groot™ is the #1 brand for scalp care and hair thickening solutions.

the korean secret to thicker, healthier hair

At Dr. Groot™, we believe healthy hair begins with a nourished scalp. That’s why our Scalp Revitalizing Solution blends biotin, caffeine, and niacinamide with advanced Korean hair science to restore balance and vitality right from the root.

Unlike ordinary treatments that only sit on the surface, our cooling roll-on formula delivers micro-targeted actives deep into the scalp. It works to soothe irritation, boost circulation, and hydrate, while the unique metal tip provides a refreshing massage effect.

The result? Stronger roots, thicker-looking hair, and lasting scalp comfort. Trusted by millions in Korea and around the world, Dr. Groot™ is the #1 brand for scalp care and hair thickening solutions.

strengthens roots for visibly fuller, shinier, healthier hair

Our Customers Love Us