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GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
jumbo
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum

GRO Hair Serum

Size: Jumbo (3.4oz)
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Save 23% 34% now and on all recurring orders!
Free shipping, delivery every 90 days
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Subscription Terms

I agree this subscription will continue until I cancel; I will be charged the amount stated above at the interval stated above to the credit or debit card used to complete this purchase;

I agree this subscription will continue until I cancel; I may cancel at any time on-line through the customer portal, by filling out the contact us form, or by calling 213-325-5112; I will be charged the amount stated above at the interval stated above to the credit or debit card used to complete this purchase;

Cancellations are effective at the end of the then-current subscription period; To avoid future charges, cancel 5 business days prior to renewal.

You may cancel your membership at any time online in the account portal or by calling us here

You may cancel your membership at any time online in the account portal or by calling us here

View full details
jumbo
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
jumbo
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
4.4
Rated 4.4 out of 5 stars
5,669 Reviews

GRO Hair Serum

A clinically proven serum powered by plant exosomes to visibly reduce shedding and support thicker, fuller, healthier-looking hair.

  • Reduces shedding before visible thinning appears
  • Helps maintain existing hair and support scalp vitality
  • Promotes thicker, fuller-looking hair
Size: Jumbo (3.4oz)
Your Plan
Save 23% 34% now and on all recurring orders!
Free shipping, delivery every 90 days
Skip or cancel anytime
Subscription Terms

I agree this subscription will continue until I cancel; I will be charged the amount stated above at the interval stated above to the credit or debit card used to complete this purchase;

I agree this subscription will continue until I cancel; I may cancel at any time on-line through the customer portal, by filling out the contact us form, or by calling 213-325-5112; I will be charged the amount stated above at the interval stated above to the credit or debit card used to complete this purchase;

Cancellations are effective at the end of the then-current subscription period; To avoid future charges, cancel 5 business days prior to renewal.

You may cancel your membership at any time online in the account portal or by calling us here

You may cancel your membership at any time online in the account portal or by calling us here

Benefits

This science-backed serum helps reduce shedding before visible thinning appears. Lightweight and non-greasy, it supports scalp vitality and helps maintain your existing hair. With regular use, it boosts thickness and fullness while promoting long-lasting Hair Wellness®.

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.

Clinical Results

Reduces signs of shedding by up to 90%*

Increases the appearance of hair density by up to 56%*

Visibly fuller, healthier hair in as soon as 3 months*

*Based on a 120-day independent, third-party clinical study with 40 participants using GRO Hair Serum once daily.
See It In Action
Bioengineered for Better Hair
Bioengineered for Better Hair
Hair Longevity
Hair wellness® goes beyond hair care, 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

Tiny, plant-derived messengers that support hair strength and scalp vitality.

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-rich plant-based phytoactives shown to help calm and nourish the scalp, creating the ideal environment for long-term hair vitality.

Explore the Science
Build Your Hair Wellness® Routine
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Frequently Asked Questions
How long does it take to see results?

With consistent daily use, many 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

Reviews

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