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🌿 Unlock your scalp’s full potential—because your hair deserves the VIP treatment.
Dr. Groot’s Award-Winning Hair Thickening Serum is a clinically tested, Korean-inspired scalp treatment designed to reduce hair loss by 82.2%, improve hydration by 30%, and cut scalp oil by 46.42% within 2 weeks. Featuring a precision roll-on metal tip and a refreshing menthol-infused gel, it nourishes thinning hair with a potent blend of biotin, rosemary, caffeine, and niacinamide—all in a clean, paraben-free formula.














| ASIN | B0DK22L979 |
| Active Ingredients | salicylic_acid |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | #4,927 in Beauty ( See Top 100 in Beauty ) #15 in Scalp Treatments |
| Brand | Dr. Groot |
| Brand Name | Dr. Groot |
| Country of Publication | USA |
| Customer Reviews | 3.1 out of 5 stars 316 Reviews |
| Hair Type | Thinning |
| Item Form | Serum |
| Item Volume | 0.5 Fluid Ounces |
| Item form | Serum |
| Manufacturer | Dr. Groot |
| Number of Items | 1 |
| Recommended Uses For Product | Hair Thickening, Reduces Oil, Strengthening |
| Recommended uses for product | Hair Thickening, Reduces Oil, Strengthening |
| Scent | rosemary |
| Scent Name | rosemary |
| UPC | 803954310108 |
D**A
Disappointed – significant differences from my previous purchases
I have bought and used this serum multiple times previously and found this specific order to be inconsistent with what I normally receive. The liquid is completely thin and watery rather than the viscous gel texture I am accustomed to, causing it to leak through the rollerball applicator. The packaging print and barcode proportions also differ noticeably in sharpness and alignment from the authentic tubes I have at home. I have contacted customer support for a return and refund.
J**S
Small amount but works great
Great product but the price is rough for the amount inside. I am purchasing again just wish it was cheaper or came with more.
B**E
Barely anything in it!
Don’t be fooled by size!!! I never review things, but here I am. Listen to the other ppl saying it doesn’t last! Bc it doesn’t! I used this for 3 days! 3!!! It two small sections of my head-the front temple areas-morning and night. Went to use it this morning-completely gone. It did not leak. I have tried everything to get a drop out-nothing. It gave me one tiny pump and then nothing but dry. I really liked it bc it didn’t turn that section of my hair oily like others, and it didn’t leave a residue. But the amount of money it costs, for it to not even last a week, is extremely frustrating! I can’t imagine ppl using this long term!
I**Z
Great results
Great product. Seen good results which has increased my confidence. The roll on applicator is nice and serums smell is nice
N**Y
Good growth bad amount of product
Ok so I’m giving this item a 3 stars. Would have done five but what kept the two stars was number 1: it doesn’t last too long if used daily. I’m guilty of skipping some days. Number 2 the roller ball gets jammed a lot of times so you struggle getting the product out. Now I’m giving it a 3 because I’ve purchased this 3 times within the last year or so and I’ve noticed some new baby hairs coming along. So that was fantastic and it worked well along with the other hair growth products I’ve used simultaneously.
T**N
Great quality but Not enough product. Super sad that it ran out after my 3rd or 4th use.
It didn’t even last me a week. I didnt over use it just a few pumps. From the three or four times that I used it seemed great and easy application but again it was out after my 3rd or 4th time using it, it was empty. I switched to lilyeve. I would’ve loved to continue using the product but because it ran out so quickly and the price for it.. I can’t. Maybe if the company reached out to rectify I would switch back. Not sure if that’s normal. Thought it would maybe last me like three weeks to a month. Super upset because I really enjoyed it at first.
Trustpilot
3 weeks ago
1 week ago