

🌿 Unlock your scalp’s full potential with every roll!
Dr. Groot Hair Thickening Serum is a Korean award-winning, clinically tested scalp treatment that reduces hair loss by 82.2%, controls oil by 46.42%, and boosts scalp hydration by 30%. Featuring a precision roll-on applicator and a refreshing menthol gel, it nourishes and revitalizes your scalp with a potent blend of biotin, caffeine, and natural extracts—free from harsh chemicals and safe for color-treated hair.













| ASIN | B0DK22L979 |
| Best Sellers Rank | #2,427 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #21 in Hair Regrowth Treatments |
| Customer Reviews | 3.1 3.1 out of 5 stars (180) |
| Manufacturer | Dr. Groot |
| Package Dimensions | 6.57 x 1.93 x 1.02 inches; 1.45 ounces |
| UPC | 803954310108 |
T**Z
Actually works
Love it!! I’ve bought it before and this is my second time using it works good. Worth the money but have to be consistent to see hair growth.😊
C**L
Waste of money
This thing comes entirely basically EMPTY!!! Used it maybe a few times and it was out GONE!!!
J**Z
Amazing Product!!!
It is amazing I started seeing baby hairs after three days of just using it might sound like I’m faking it but I’m not my hair used to grow so fast keep in mind i am a male and after my hair started thinning and my hairline was receding I used this three days ago and I can tell a big difference I will absolutely be buying the shampoo and conditioner!!!!
A**R
Didn’t last long
I used this product for a week and it either ran out or isn’t working anymore as nothing comes out. I did not use a lot and I am so disappointed it ran out because I was hoping this would do the trick
M**.
Will update review once I see hair growth!
Love how it massages my head also.
D**E
Dont buy the Serum
I bought this one, shampoo , conditioner and the scalp treatment. This serum is expensive for .5oz you cant even tell if it effective brcause you dont have enough. Among all the four products I only like the scalp treatment, the shampoo and conditioner makes my scalp flaky unless I used the scalp treatment. I can tell though it stop my haiross esp when my hair gets long.
F**N
Visible Baby Hair Growth
I’ve been using the Dr. Groot serum for a few weeks now and while it doesn’t last as long as I’d hoped (I usually need to reapply), I’m actually impressed with the results. I can already see baby hairs growing in areas where my hair was thinning, which is a big win for me. The serum feels lightweight and doesn’t irritate my scalp, and the growth results make it worth using despite the shorter-lasting effect. If you’re patient and consistent, this definitely shows promise for new hair growth.
H**H
Runs out too fast
I have only had the product for two weeks (and not used it even once every day) and it is EMPTY. So it’s hard to even tell if it even works on your hair when it doesn’t last long enough to even try to find out.
Trustpilot
1 week ago
3 weeks ago