Scalp-focused first step
Dr. Groot Hair Thickening Shampoo
A focused shampoo with biotin and rosemary oil, made to cleanse thinning hair and support a fuller-looking finish.
- Designed for thinning hair
- Features biotin and rosemary oil
- Color-safe, scalp-focused cleansing
- Secure checkout and free U.S. shipping over $60
Why it works in real life
Two focused steps without the complicated routine.
Shampoo starts at the scalp. Conditioner follows through the lengths and ends. Each product has a clear role.
Start at the roots
Massage the lather through wet hair and across the scalp to remove buildup and refresh the foundation.
Keep ingredients focused
Biotin and rosemary oil anchor a formula made for thinning hair and fuller-looking results.
Make consistency easier
Two coordinated products are easier to repeat than an overloaded shelf and a complicated system.
How to use
Your two-step routine, simplified.
Wet hair fully
Start with thoroughly wet hair and scalp.
Massage at the scalp
Work shampoo into a rich lather with your fingertips, focusing on the roots.
Rinse and condition
Rinse thoroughly, then follow with the matching conditioner.
Questions, answered
Know before you wash.
Who is this product for?
It is designed for people with thinning hair who want a simple scalp-focused cleansing step and a fuller-looking finish.
Is it color-safe?
Yes, the shampoo is described as color-safe.
How do I use it?
Apply to wet hair and scalp, massage into a rich lather, then rinse thoroughly.
Can I complete the full routine?
Yes. Each product links to its matching partner, and bundle options can appear above when available.
Customer feedback
Real reviews from real routines.
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