Dr. Groot

Professional Bonding System Bond Fortifying #4 Instant Repairing Serum

$30

Damaged Hair

Hair Breakage

Keratin

Made in Korea

Silk Protein

The final step to healthy-looking, luxurious locks. Hair is left looking smoother and feeling soft to the touch, thanks to this leave-in restorative serum with replenishing keratin and detangling silk protein.

FREE OHUI Miracle Moisture 5pc Trial Kit

with $65 sitewide purchase

125 ml / 4.2 fl. oz.

Ground shipping only

BUNDLE & SAVE

  • A bottle of Dr. Groot Professional Bonding System Bond Fortifying Shampoo 01 on a white background.

    Dr. Groot

    Professional Bonding System Bond Fortifying #1 Shampoo

  • A white and purple bottle of Dr. Groot Professional Bonding System Bond Fortifying #2 Keratin Water with black sprinkler cap.

    Dr. Groot

    Professional Bonding System Bond Fortifying #2 Keratin Water

  • A white and green tube of Dr. Groot Professional Bonding System Bond Fortifying #3 Conditioner with black cap.

    Dr. Groot

    Professional Bonding System Bond Fortifying #3 Conditioner

Select products to see the price

Over 25 million units sold worldwide

Since 2017, Dr. Groot has established a loyal following of customers that continues to grow daily.

A before and after photo where the model's hair is notably healthier with less frizz and more shine in the after photo.

Proven Results

Upon Application

Hair looks smoother and feels softer.

*Based on a two-week clinical test on 22 subjects using Hair Thickening Shampoo and Miracle in Shower together.

Key Ingredients

Keratin

Known to help strengthen hair bonds and condition hair so it looks smoother.

Silk Protein

Known to help lock in moisture to visibly improve elasticity so hair looks and feels softer.

A collage of photos, one of which has a comb running through shiny blonde hair, and the other photo features a model with her hair waving around.

Professional Bonding System Collection

4 steps to visibly repair damaged hair and give your locks that smooth-as-glass look.

Gorgeous Hair from Roots to Ends

Think of hair care as an extension of your skin care routine. It’s essential to exfoliate, cleanse and moisturize your scalp, just like the skin on your face and body. Each formula is infused with natural ingredients, formulated without irritating parabens, silicones or sulfates, and provides personalized solutions to get to the root of your hair and scalp issue.

A close up of a comb running through healthy and shiny blonde hair.

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