4.4

Rated 4.4 out of 5 stars

5,576 Reviews

GRO Hair Serum

A clinically proven hair longevity serum powered by plant exosomes and biotech innovation to support scalp and follicle health before thinning begins.

Prevents early thinning
Preserves hair density
Powered by plant exosomes
Clinically proven results

Size: Jumbo (3.4oz)

Single (1oz)

Jumbo (3.4oz)

Your Plan

$165 ~~$213~~

$139 ~~$213~~

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Benefits

Supports scalp and follicle health before thinning begins
Minimizes early signs of shedding and preserves density
Helps maintain an optimal, balanced growth cycle

How to Use

- Apply a dropperful to scalp daily.
- Massage in.
- Use on wet or dry hair.
- Do not rinse.

Ingredients

Water/Aqua/Eau, Butylene Glycol, Glycerin, Alcohol Denat., Polyglyceryl-10 Laurate, Caffeine, Curcuma Longa (Turmeric) Callus Conditioned Media, Citrus Bergamia Peel Oil Expressed, Sodium Phytate, Pentylene Glycol, Limonene, Citric Acid, Sodium Benzoate, Potassium Sorbate, Lactic Acid, (Trifolium Pratense (Clover)/Vigna Radiata) Sprout Extract, Linalool, Sodium Hydroxide, Biotin, Alcohol, Phytic Acid, Linalyl Acetate, Pinene, Nicotiana Benthamiana Octapeptide-30 sh-Oligopeptide-2, Nicotiana Benthamiana Hexapeptide-40 sh-Polypeptide-9, Nicotiana Benthamiana Hexapeptide-40 sh-Polypeptide-86

Ideal For

Those taking a proactive approach to hair wellness® before visible thinning appears.

Complete Your Routine

GRO Essentials Kit

A proactive 3-step hair wellness® routine that supports follicles, strengthens strands and preserves vitality to help prevent visible thinning.

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4.4

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Rated 4.4 out of 5 stars

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Rated 4.4 out of 5 stars

Rated 4.4 out of 5 stars

5,576 Reviews

GRO Hair Serum

$49

Hair Longevity

Hair wellness® isn’t just about growth — it’s about preserving the scalp’s youth and extending the life of every strand for long-term vitality.

Biotech Innovation

By combining powerful plant actives with biotech innovation, we create advanced solutions that work synergistically with your hair biology.

Clinically Proven

Our formulas are backed by rigorous clinical and placebo-controlled studies, showing visible improvements in density, shedding and scalp health.

Science-Backed

Trusted by Experts

Vegan

Clean

Cruelty-Free

Science-Backed

Trusted by Experts

Vegan

Clean

How It Works

Plant Exosomes

Turmeric

Nano-sized messengers that boost intercellular communication, helping the scalp and follicles wake up, act younger and grow stronger.

Oligopeptide-2 & Glycoproteins

Clinically Proven Peptides

Powerful bioactives that strengthen strands at the root, deliver deep nourishment and support density without disrupting scalp balance.

Mung Bean & Red Clover

Plant-Based Phytoactives

Nutrient-dense botanicals shown to help calm the scalp and nourish follicles, creating the ideal environment for long-term hair vitality.

Explore the Science

Build Your Hair Wellness® Routine

Best Seller

4.4

Rated 4.4 out of 5 stars

5,576 Reviews

GRO Hair Serum

From $49 ~~$64~~

A clinically proven serum that supports scalp and follicle health before thinning begins.

Best Seller

4.7

Rated 4.7 out of 5 stars

381 Reviews

GRO+ Advanced Hair Serum

From $65 ~~$78~~

An MD-formulated hair serum that drives actives deeper to restore density and correct thinning.

GRO+ Advanced Hair Growth & Density Supplements

From $78

An MD-formulated dual-pill supplement clinically proven to boost hair growth and density.

4.7

Rated 4.7 out of 5 stars

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GRO Dry Shampoo

From $18

A plant-powered dry shampoo that absorbs oil and neutralizes odor on non-wash days.

4.9

Rated 4.9 out of 5 stars

164 Reviews

HYDR-8 Weightless Repair Oil

From $19

A lightweight hair oil that hydrates, smooths frizz and boosts shine.

4.6

Rated 4.6 out of 5 stars

178 Reviews

GRO AGELESS Anti-Gray Hair Serum

From $68 ~~$78~~

A targeted scalp serum that helps reduce grays and restore youthful vibrancy.

New

4.7

Rated 4.7 out of 5 stars

114 Reviews

UPLIFT Volumizing Styling Foam

From $29 ~~$32~~

A weightless styling foam that adds instant volume, body and bounce.

GRO AGELESS Anti-Gray Hair Serum (3 Pack)

4.6

Rated 4.6 out of 5 stars

178 Reviews

GRO AGELESS Anti-Gray Hair Serum (3 Pack)

From $187 ~~$234~~

A 3-month supply of a targeted serum that helps reduce grays on new growth.

New

4.8

Rated 4.8 out of 5 stars

100 Reviews

UPLIFT Volumizing Shampoo

From $31 ~~$35~~

A volumizing shampoo for fine and thinning hair that gently cleanses, hydrates and boosts body.

3x Stronger Strands

4.9

Rated 4.9 out of 5 stars

277 Reviews

HYDR-8 Deep Moisture Repair Mask

From $46 ~~$52~~

A weekly mask that delivers deep hydration and repairs dry, damaged hair.

Frequently Asked Questions

How long does it take to see results?

With consistent daily use, most people see results from GRO Hair Serum within 3–4 months.

Will this serum make my hair greasy?

No. GRO Hair Serum is water-based and fast-absorbing, so it won’t leave your hair feeling greasy or weighed down.

What happens if I stop using GRO Hair Serum?

Hair wellness® is an ongoing journey. If you stop using GRO Hair Serum, you may notice your hair gradually return to its natural state within a few months.

View All Frequently Asked Questions