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

Price: $26.00
(as of Jul 26, 2026 17:33:32 UTC – Details)

Product description

1 Hair Loss Results

2 Serum Results

How does this serum help with hair loss?

It reduces hair loss due to breakage by 82.2% in just two weeks.

What is the texture of the serum?

The serum has a menthol-infused, watery gel texture that is refreshing, lightweight, and non-sticky.

How is the serum applied?

It features a roll-on design with a unique metal tip for precise spot care on the scalp.

Does it improve scalp hydration?

Yes, it improves scalp hydration by 30% and reduces moisture loss by 39.52%.

Can this serum reduce scalp redness?

Yes, it effectively reduces scalp redness, promoting a healthier appearance.

Comparison Chart

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Customer Reviews

3.0 out of 5 stars 267

4.4 out of 5 stars 2,427

4.5 out of 5 stars 191

4.3 out of 5 stars 165

4.4 out of 5 stars 2,023

4.5 out of 5 stars 1,502

4.3 out of 5 stars 90

Price

$26.00$26.00

$33.00$33.00

$33.00$33.00

$33.00$33.00

$33.00$33.00

$33.00$33.00

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Hair/Scalp type

All

All

All

All

All

All

All

Key Ingredients

Biotin, Rosemary, Prebiotics

Biotin, Rosemary, Caffeine

Biotin, Cica Extra

Fine Clays, Biotin, Rosemary

Arginine, Panthenol, Rosemary

Biotin, Rosemary, Prebiotics

Chamomile, Menthol, Rosemary

Hair Goals

Reduce hair thinning/loss

Reduce hair thinning/loss

Soothed scalp

Reduce build up, moisturize

Condition, reduce hair loss

Reduce hair thinning/loss

Soothed scalp

Reduces Hair Loss

✔

✔

✘

✘

✔

✔

✘

Clinically Tested

✔

✔

✔

✔

✔

✔

✔

Dermatologically Tested

✔

✔

✔

✔

✔

✔

✔

Microbiome Technology

✔

✔

✔

✔

✔

✔

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Formulated Without

Gluten, Parabens, Sulfates

Gluten, Parabens, Sulfates

Gluten, Parabens, Sulfates

Gluten, Parabens, Sulfates

Gluten, Parabens, Sulfates

Gluten, Parabens, Sulfates

Gluten, Parabens, Sulfates

Color Safe

✔

✔

✔

✔

✔

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Package Dimensions ‏ : ‎ 6.5 x 1.97 x 0.94 inches; 2.12 ounces
UPC ‏ : ‎ 803954310108
Manufacturer ‏ : ‎ Dr. Groot
ASIN ‏ : ‎ B0DK22L979
Best Sellers Rank: #1,984 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #16 in Hair Regrowth Treatments
Customer Reviews: 3.0 3.0 out of 5 stars (267) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
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.

Product summary

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