Dr.Groot Professional Bonding System Fortifying Conditioner 250ml
Dr.Groot is a leading Korean hair care brand recognized for hair thickening, as supported by Nielsen 2023 data.
This salon-quality conditioner is infused with keratin and silk protein to repair and strengthen hair.
It helps visibly minimize frizz in a clinical test involving 19 hair tresses.
Formulated for all hair types and textures, especially dry and damaged hair.
Clinically proven to improve hair appearance by thickening the look in one use when used with the full Professional Bonding System (Shampoo, Keratin Water Treatment, Conditioner, Instant Repair Serum). It also improves hair bond by 2X through enhanced protein penetration.
| Key Features | Details |
|---|---|
| Active Ingredients | Keratin, Silk Protein |
| Target Hair Types | Dry, damaged, all hair types |
| Frizz Reduction | Visible minimization in clinical test (19 hair tresses) |
| Thickening Effect | Measurable improvement in appearance after one use (in-house test with full system) |
| Bond Improvement | 2X better protein penetration |
FAQ
Can this conditioner be used on color-treated hair?
Yes, it is suitable for all hair types including color-treated hair, especially dry and damaged strands.
How does it compare to other hair thickening conditioners?
It contains keratin and silk protein, and has been clinically tested to improve hair bond by 2X and visibly minimize frizz in a controlled environment.
Is it safe for daily use?
Yes, it is formulated for daily use and suitable for all hair types and textures.

Ryan Hill –
Used this conditioner after a heat styling session. My hair felt softer and looked thicker immediately. The frizz was noticeably reduced. I’ve used it twice now and still see improvement in texture and strength.
Julian Jones –
Great for damaged hair. After using it with the full bonding system, my hair feels more manageable and appears fuller. Not a miracle fix, but a solid improvement in daily wear.
Luke Fraser –
My dry, curly hair has become less frizzy and more defined. The silk and keratin blend works well and gives a healthy shine without weighing hair down.
Brandon Smith –
I’ve tried several thickening products, but this one stands out. The bond improvement is real—my hair holds style better and feels stronger after washing.
Karen Oliver –
After using the full bonding system, including this conditioner, my hair looks visibly thicker. It’s especially helpful for fine hair that tends to look flat.