Cleanse at the scalp
The shampoo works at the roots to wash away buildup and refresh thinning hair.
Two-step care. One simple routine.
Fuller-looking hair starts with the right routine.
A scalp-focused shampoo and nourishing conditioner work together to cleanse, soften, and support fuller-looking hair—without a complicated routine.
Color-safe shampooNourishing conditionerFree U.S. shipping $60+
Cleanse first. Condition second. Keep the habit simple.
Scalp-focused shampoo
Nourishing conditioner
One two-step routine
Why the routine matters
Two essentials. One clean routine.
The shampoo starts at the scalp. The conditioner follows through the lengths and ends. Together they create a routine that is focused, balanced, and easy to repeat.
Nourish the lengths
The conditioner helps soften and nourish the lengths and ends without adding extra steps.
Repeat with ease
Two coordinated products make it easier to build a consistent, complete wash routine.
Built to work together
Cleanse, condition, and keep moving.
Start with the scalp-focused shampoo, then apply conditioner through the lengths and ends. Two familiar steps, thoughtfully paired.
Start your routineA routine you can repeat
Cleanse. Condition. Repeat.
STEP 01
Start with shampoo
Massage through wet hair and across the scalp, then rinse thoroughly.
STEP 02
Follow with conditioner
Apply through the lengths and ends, leave on briefly, then rinse.
STEP 03
Keep the rhythm going
Use the pair consistently as part of your normal wash schedule.
Build your routine
Start with one—or pair both.
Pair both and save 10% with the complete two-step routine.
Step 01 · Cleanse
Dr. Groot Hair Thickening Shampoo
$33.00
Scalp-focused cleansing with biotin and rosemary oil for fuller-looking hair.
Step 02 · Condition
Dr. Groot Hair Thickening Conditioner
$33.00
Nourishing care for the lengths and ends, designed to complete the routine.
Questions, answered
Everything to know before you wash.
How do I use the two-step routine?
Massage shampoo through wet hair and scalp, rinse, then apply conditioner through the lengths and ends before rinsing again.
Is it made for thinning hair?
Yes. The formula and scalp-focused routine are designed for people who want fuller-looking, more voluminous hair.
Is the formula color-safe?
Yes, the shampoo is described as color-safe.
How often should I use it?
Use it consistently within your normal wash schedule and follow the directions on the product packaging.
Start at the scalp