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Dr. Groot Award-Winning Hair Thickening Serum for Hair Loss, Thinning Hair, Korean Hair Care, Scalp Treatment, Clinically Tested, Thicker, Reduces Oil, Roll On

Dr. Groot Award-Winning Hair Thickening Serum for Hair Loss, Thinning Hair, Korean Hair Care, Scalp Treatment, Clinically Tested, Thicker, Reduces Oil, Roll On

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Regular price $23.95
Regular price $23.95 Sale price $39.95
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Dr. Groot Award-Winning Hair Thickening Serum for Hair Loss, Thinning Hair, Korean Hair Care, Scalp Treatment, Clinically Tested, Thicker, Reduces Oil, Roll On
Regular price $23.95
Regular price $23.95 Sale price $39.95
SAVE 40% Sold out
  • CLINICALLY PROVEN: In 2 Weeks:Reduces hair loss due to breakage by 82.2%*, Reduces scalp redness, Reduces scalp moisture loss by 39.52%, Improves scalp hydration by 30%. Reduces scalp oil by 46.42%
  • This innovative serum treats your scalp with care like skincare. Its roll-on design with a metal tip offers precise spot care, while the menthol-infused watery gel provides a refreshing, lightweight finish. Nourish your scalp and reduce hairloss due to breakage for fuller, thicker, healthier-looking hair.
  • EXFOLIATES, CLEANSES, AND MOISTURIZES AND HELPS SUPPORT HEALTHY HAIR. Formulated with biotin, rosemary leaf extract, salicylic acid, panthenol, niacinamide, caffeine and formulated without parabens, silicones, sulfates and gluten.

Description

Discover the innovative Korean roll-on serum that revitalizes your scalp and promotes thicker, fuller-looking hair.

Infused with Biotin, Niacinamide, Caffeine, and Menthol, the Scalp Revitalizing Solution Hair Thickening Serum cools,hydrates, and energizes the scalp while strengthening roots for healthier growth.

Clinically proven to reduce scalp redness, balance excess oil,and increase hair thickness by 10% in just 2 weeks, it's the ultimate treatment for men and women seeking stronger, shinier,and more resilient hair.

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.

Processing & Shipping

  • Orders processed within 24-48 hours
  • Standard delivery time: 5-9 business days (depending on location)
  • Tracking number provided with every order
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    Why Choose Dr. Groot™?

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    Visibly Thicker, Fuller Hair

    Powered by biotin, niacinamide, and caffeine, this targeted scalp serum helps support stronger roots and fuller-looking hair from the scalp up.

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    Cooling Roll-On, Precise Scalp Care

    The unique metal-tip applicator delivers targeted care exactly where you need it, while the menthol-infused watery gel feels fresh, lightweight, and non-sticky.

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    Balances Oil & Hydrates the Scalp

    Designed to help reduce excess oil, improve scalp hydration, and support a healthier scalp environment for better-looking hair.

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    Clean, Scalp-Friendly Formula

    Formulated without parabens, silicones, sulfates, or gluten, making it a smart daily option for scalp care and thinning-prone hair.

    Backed by Science, Trusted Worldwide

    The Scalp Revitalizing Solution is more than a hair serum — it’s a dermatologist-tested scalp treatment developed to help restore scalp balance and support fuller, healthier-looking hair.

    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 helps strengthen follicles while refreshing and rebalancing the scalp.

    Real Results in Just 2 Weeks*

    92%

    Of users reported their scalp felt instantly refreshed and less irritated after the first application.

    88%

    Noticed reduced scalp oiliness and buildup within 2 weeks of consistent use.

    85%

    Experienced improved hydration and a healthier, more balanced scalp.

    80%

    Agreed their hair looked visibly thicker, fuller, and easier to style.

    *Based on a two-week clinical test of subjects using the Scalp Revitalizing Solution Hair Thickening Roll-On Serum.

    The Korean Secret to Thicker, Healthier Hair

    Healthy hair begins with a balanced scalp. That’s why Dr. Groot™ combines biotin, caffeine, and niacinamide with advanced Korean scalp science to help restore vitality right at the root.

    Unlike ordinary treatments that sit on the surface, the cooling roll-on formula delivers targeted care directly to the scalp. It helps soothe irritation, boost circulation, hydrate the scalp, and support stronger-looking roots.

    The result? Thicker-looking hair, a healthier scalp, and more comfortable daily care.

      Why Dr. Groot™ Outperforms Ordinary Solutions

        Others
      Clinically Tested Results
      Powerful Active Ingredients
      Advanced Scalp Care
      Clean, Safe Formula
      Visible Hair Transformation
      • I have a widows peak that was thinning, and it was an insecurity of mine when I put my hair up. Started applying for 1-2 months, and already see results!! It is working a bit too well and making my peach fuzzies on my forehead a bit thicker…. But I’ll take that over thinning hair

        Catherine Hardy

      • I've have tried a number of different products and this works the best. In 1 month, I've grown at least 1-2 inches of baby hairs. Although some of the new hair is gray, a win's a win! I have other family members that use the same solution and have seen similar changes.

        Eartha Reynolds

      • I love how easy the roll-on applicator is to use. It feels cool and refreshing on my scalp, dries quickly, and doesn’t leave my hair greasy or sticky.

        Nydia Grote

      • After using this consistently, my scalp feels less oily and much more balanced. I also like how lightweight the serum is compared with other scalp treatments I’ve tried.

        Gladys Ben

      • The metal roller makes it super easy to target the areas around my hairline and part. It takes less than a minute to apply and feels fresh without weighing down my hair.

        Agatha Hodgson

      • This has become one of my favorite scalp-care products. The cooling sensation feels amazing, the applicator is convenient, and my scalp feels cleaner, hydrated, and more comfortable.

        Annabelle Smith