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🌿 Unlock fuller, thicker hair with precision and science-backed care!
Dr. Groot Hair Thickening Serum is a clinically tested, award-winning Korean scalp treatment that reduces hair breakage by 82.2%, controls scalp oil by 46.4%, and boosts hydration by 30%. Featuring a unique metal-tip roll-on applicator and a refreshing menthol-infused gel, it delivers targeted nourishment with a clean, potent formula free from parabens, silicones, sulfates, and gluten. Ideal for thinning hair and safe for color-treated scalps, this serum transforms your hair care routine into a precision scalp therapy experience.














| ASIN | B0DK22L979 |
| ASIN | B0DK22L979 |
| Active Ingredients | salicylic_acid |
| Age Range Description | Adult |
| Best Sellers Rank | #7,240 in Beauty ( See Top 100 in Beauty ) #18 in Scalp Treatments |
| Brand Name | Dr. Groot |
| Customer Reviews | 3.0 3.0 out of 5 stars (218) |
| Customer reviews | 3.0 3.0 out of 5 stars (218) |
| Date First Available | 24 June 2025 |
| Hair Type | Thinning |
| Item Form | Serum |
| Item Volume | 0.5 Fluid Ounces |
| Item Weight | 0.06 Kilograms |
| Manufacturer | LG HOUSEHOLD&HEALTHCARE LTD |
| Manufacturer | LG HOUSEHOLD&HEALTHCARE LTD |
| Number of Items | 1 |
| Package Dimensions | 16.69 x 5 x 2.59 cm; 60 g |
| Recommended Uses For Product | Hair Thickening, Reduces Oil, Strengthening |
| Scent Name | rosemary |
| UPC | 803954310108 |
T**Z
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.😊
T**N
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
A little pricey, but worth it
K**A
I love to try but the product just a ripoff, I only used twice and it’s already empty. Pay so much for a small amount of product. Not happy about it.
R**C
I like the product itself but I was disappointed to discover there is only a half/.5 ounce of serum in the roller, which, unfortunately, only lasted about 2 weeks. I bought this serum along with both the clay & thickening shampoo’s, the shower treatment & scalp relief tonic, I like all of them, and was really looking forward to the results after using them together faithfully for at least 3 months. While I like the roller application & serum’s consistency which tingles my scalp a little, making me think it’s working/stimulating & doesn’t leave my hair oily or sticky, I can’t justify buying at 2-3 serum rollers per month, spending $50-75 monthly for just the serum, especially since I already spent about $100 for the other 4 products in the Dr. Groot thickening set.
Trustpilot
2 weeks ago
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