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🌿 Unlock thicker, healthier hair with precision and care—because your scalp deserves the spotlight!
Dr. Groot Hair Thickening Serum is a clinically tested Korean scalp treatment that reduces hair loss due to breakage by 82.2% within 2 weeks. Featuring a unique roll-on metal tip for precise application, it delivers a menthol-infused, lightweight gel that refreshes and nourishes the scalp. Formulated with biotin, rosemary leaf extract, salicylic acid, panthenol, niacinamide, and caffeine, this serum balances scalp oil and hydration without harmful parabens, silicones, sulfates, or gluten, promoting thicker, fuller, and healthier-looking hair.













| ASIN | B0DK22L979 |
| Active Ingredients | salicylic_acid |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | #14,096 in Beauty ( See Top 100 in Beauty ) #29 in Scalp Treatments |
| Brand | Dr. Groot |
| Brand Name | Dr. Groot |
| Customer Reviews | 3.0 out of 5 stars 254 Reviews |
| Hair Type | Thinning |
| Item Form | Serum |
| Item Volume | 0.5 Fluid Ounces |
| Item Weight | 0.06 Kilograms |
| Item form | Serum |
| Item weight | 0.06 Kilograms |
| Manufacturer | LG HOUSEHOLD&HEALTHCARE LTD |
| Number of Items | 1 |
| Recommended Uses For Product | Hair Thickening, Reduces Oil, Strengthening |
| Scent | rosemary |
| Scent Name | rosemary |
| UPC | 803954310108 |
N**A
A family favorite, especially for fine hair
I have fine hair, and had significant thinning around my temples due to styling and genetics. 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. I also use this with Dr. Groot's Hair Thickening Shampoo, and Miracle In-shower treatment. When I was using only the Hair Thickening Shampoo, I didn't see much of a difference. However, when I added this serum plus the Miracle In-Shower treatment I saw an improvement with hair growth. Just fyi, it may take longer than 2 weeks to see a change. I'm not sure how folks are out of solution after a few uses. I wear this solution once a day and its lasted me a month already - and I still have plenty left. Perhaps to get the most of the product, when it's not in use, make sure that the pen stands upright and that you ensure the button to pump the is turned off to avoid spilling.
V**C
Runs out fast/roller does not dispense the product
$26 and the roller does not work. First one I got worked but product ran out quick and I only used on front hair line area. Second one ran out quick or stopped working no way to tell . Got a new one today brand new and barely any comes out if any. Would love this item in a spray or dropper so I know how much product I’m actually putting on my scalp this feels like I’m being cheated or scammed
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.
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.
J**A
Didn’t see any results.
2 stars. I gave it a try, but I’m not convinced it works. It’s supposed to use for 2 weeks to notice any results, yet my bottle was empty in 7 days, so I never got to see real results. For the price, that’s disappointing. Maybe I’ll try it again later, but I’m going back to coffee and rosemary water for now, that I know it work.
Trustpilot
3 weeks ago
1 month ago