Skip to content
Introducing

GRO+ Advanced Gel-Serum Pen

Spot on — literally. Meet the drip-free pen that targets thinning exactly where it shows and stays put.

Shop Now
Build Your Hair Wellness® Routine
Shop All - Shop all GRO collection products
jumbo
Best Seller
4.4
Rated 4.4 out of 5 stars
5,669 Reviews
GRO Hair Serum
From $49 $64
Supports thicker, fuller-looking hair.
GRO+ Advanced Hair Serum
Best Seller
4.7
Rated 4.7 out of 5 stars
451 Reviews
GRO+ Advanced Hair Serum
From $65 $78
Targeted care for visible thinning and shedding.
GRO+ Advanced Hair Growth & Density Supplements
4.7
Rated 4.7 out of 5 stars
11 Reviews
GRO+ Advanced Hair Growth & Density Supplements
From $78 $88
An MD-formulated dual-pill supplement clinically proven to boost hair density.
GRO+ Advanced Balancing Shampoo
4.9
Rated 4.9 out of 5 stars
143 Reviews
GRO+ Advanced Balancing Shampoo
From $47 $52
Removes buildup and hydrates the scalp.
GRO+ Advanced Balancing Conditioner
4.9
Rated 4.9 out of 5 stars
120 Reviews
GRO+ Advanced Balancing Conditioner
From $47 $52
Nourishes, hydrates and balances the scalp.
GRO+ Advanced Dermaroller
4.9
Rated 4.9 out of 5 stars
215 Reviews
GRO+ Advanced Dermaroller
From $42 $48
An MD-developed scalp tool that creates micropathways to enhance serum absorption.
GRO Dry Shampoo
4.7
Rated 4.7 out of 5 stars
1,059 Reviews
GRO Dry Shampoo
From $32 $36
A plant-powered dry shampoo that absorbs oil and neutralizes odor.
GRO Scalp Detoxifying Serum
4.7
Rated 4.7 out of 5 stars
227 Reviews
GRO Scalp Detoxifying Serum
From $36 $42
A pre-shampoo treatment that clears buildup, oil and visible flakes from dryness.
Shop All
Scalp Serums
Shop Scalp Serums Shop Scalp Serums
Supplements
Shop Supplements Shop Supplements
Cleanse & Condition
Shop Cleanse & Condition Shop Cleanse & Condition
Lash & Brow
Shop Lash & Brow Shop Lash & Brow
Repair
Shop Repair Shop Repair
Styling
Shop Styling Shop Styling
Kits & Bundles
Shop Kits & Bundles Shop Kits & Bundles
Tools
Shop Tools Shop Tools
Travel Size
Shop Travel Size Shop Travel Size
Our Approach

We blend the power of plants with proven science to support lasting confidence, nurturing your hair and scalp at every level.

Holistic Support

Designed to nurture your scalp, strands and overall well-being

Plant Powered

Thoughtfully formulated with naturally effective ingredients

Science Backed

Trusted solutions that are proven to deliver visible, reliable results

Evolving Care

Every step of the way, your hair gets the care it needs to thrive

Natural Confidence

Helping you feel good about what you use, and confident in how you look

Science-Backed
Trusted by Experts
Vegan
Clean
Cruelty-Free
Science-Backed
Trusted by Experts
Vegan
Clean
Our Science

We utilize the best of nature and
science to create solutions that help
hair look and feel fuller and healthier.

Power in
Every Drop

Our breakthrough serums combine science and plant-powered care to deliver targeted nourishment and lasting Hair Wellness®.

Shop Scalp Serums
Progress You Can See

Based on consistent use for at least 90 days. Individual results may vary.

Before
After
Before
After
Before
After

Based on consistent use for at least 90 days. Individual results may vary.

Hair Thinning & Shedding
Explore targeted solutions that address common hair and scalp concerns.
4.4
Rated 4.4 out of 5 stars
5,669 Reviews
GRO Hair Serum
Supports thicker, fuller-looking hair.
Our Results
Proven to deliver real, visible improvements.
Explore the Science
93%

saw less shedding*

*Based on a 120-day consumer perception study of 40 participants using GRO Hair Serum once daily.
Shop Now - Shop shedding products
93%

agreed they are experiencing less hair fallout*

*Based on a 120-day consumer perception study with 46 participants taking GRO+ Advanced Supplements daily.
Shop Now - Shop hair loss reduction products
96%

of participants had less new gray hairs*

*Based on a 180-day clinical study of 30 participants with 30% gray hair or less using GRO AGELESS Hair Serum & Supplements daily.
Shop Now - Shop gray hair reducing products
72 hours

of hair hydration and frizz reduction*

*In a controlled hair swatch study using HYDR-8 Weightless Repair Oil.
Shop Now - Shop hair hydration products
2x

the volume*

*In a controlled hair swatch study of UPLIFT Styling Foam.
Shop Now - Shop volumizing hair products
Explore the Science
Care That Evolves With You
From early thinning to advanced concerns, our serums support your hair at every stage.
Proactive
Care
Support long-term Hair Wellness® with early care that helps reduce signs of shedding before thinning becomes visible.
GRO Hair Serum
Reduces early signs of shedding and boosts fullness.
Advanced
Care
When visible signs of thinning appear, boost the look of density and rebalance the scalp to take back control of your Hair Wellness®.
GRO+ Advanced Hair Serum
Targets visible thinning while supporting a heathy, balanced scalp.
Community-Approved Favorites
GRO+ Advanced Hair Serum
4.7
Rated 4.7 out of 5 stars
451 Reviews
GRO+ Advanced Hair Serum
$65
jumbo
4.4
Rated 4.4 out of 5 stars
5,669 Reviews
GRO Hair Serum
$49
GRO+ Advanced Balancing Shampoo & Conditioner Kit
4.8
Rated 4.8 out of 5 stars
351 Reviews
GRO+ Advanced Balancing Shampoo & Conditioner Kit
$88
GRO+ Advanced Hair Serum
4.7
Rated 4.7 out of 5 stars
451 Reviews
GRO+ Advanced Hair Serum
$65
jumbo
4.4
Rated 4.4 out of 5 stars
5,669 Reviews
GRO Hair Serum
$49
GRO+ Advanced Hair Serum
4.7
Rated 4.7 out of 5 stars
451 Reviews
GRO+ Advanced Hair Serum
$65
GRO+ Advanced Hair Serum
4.7
Rated 4.7 out of 5 stars
451 Reviews
GRO+ Advanced Hair Serum
$65
GRO Revitalizing Shampoo & Conditioner Kit
4.6
Rated 4.6 out of 5 stars
1,047 Reviews
GRO Revitalizing Shampoo & Conditioner Kit
$22
Hair Wellness® Is Personal

Find the routine that works for your hair goals.

Take the Quiz