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*Based on 2024 USA unit sales of GRO Hair Serum. Source: YipitData.
Real, Visible, Results
Before
After
Before
After
Before
After
Before
After
Based on consistent use for at least 90 days. Individual results may vary.
Tested for Efficacy
93% saw less shedding**
90% saw an improvement in hair's appearance**
83% said their hair was stronger**
Clinical Trials
Rigorous testing validates formula performance and safety
Consumer Surveys
Gathers real user feedback on experience and satisfaction
Placebo-Controlled Studies
Compares active vs. inactive formulas to verify true impact
SHOP NOW - Go to the shopping section of the site to purchase Gro Hair Serum

**Based on a 120-day consumer perception study of 40 participants using GRO Hair Serum once daily.
SHOP NOW - Go to the shopping section of the site to purchase Gro Hair Serum

**Based on a 120-day consumer perception study of 40 participants using GRO Hair Serum once daily.
23K+ 5-star reviews
Been using it at least 3 years! I’m 62, get compliments on my hair every day.
- Kathy
I’ve been using it for a couple years now and will never use anything else. It’s completely transformed my hair!
– Taylor
"Been using for several years now. It works!"
– Sandra
After postpartum my hair loss was extreme. This saved me.
– Justice
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**Based on a 120-day consumer perception study of 40 participants using GRO Hair Serum once daily.
Size: Single (1oz)
Your Plan
Save 23% 34% now and on all recurring orders!
Free shipping, delivery every 30 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

Complete Your Routine
GRO Revitalizing Shampoo
$48
GRO Revitalizing Conditioner
$48
GRO Biotin Gummies for Hair Wellness®
$36
Smart Tech for
Stronger Hair

Powered by ingredients that fortify hair to help prevent thinning.
Plant Exosomes

Boost cellular communication and stimulate scalp and follicles.

Oligopeptide-2 & Glycoproteins

Help support scalp health to promote visibly denser hair.

Mung Bean, Red Clover & Caffeine

Calm the scalp, improve circulation and promote fullness.

FAQ
Who is GRO Hair Serum for?

GRO Hair Serum is designed for anyone who wants to defend hair early, reduce shedding and enhance thickness and fullness. Ideal for those committed to proactive care before thinning begins.

How soon can I see results?

With consistent daily use, most see thicker, fuller hair and less shedding in 3 months.

Will GRO Hair Serum make my hair greasy?

No. The water-based formula is lightweight, fast-absorbing and never greasy or heavy.

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