NEW! GRO+ Advanced System
Meet Our Most Advanced Hair System
Dermatologist co-developed to help support fragile, thinning hair.
*Based on a 120-day independent, third-party clinical study with 40 participants using GRO+ Advanced Hair Serum once daily.
See It to Believe It
Real people, real-world results.
*Results using GRO+ Advanced System (Shampoo, Conditioner, Dermaroller & Hair Serum). Individual results may vary.
It's What's on the Inside That Counts
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GROActive+ ComplexTM PATENT PENDNG
An AI-discovered, supercharged blend of polyphenol-rich plant actives to help reduce shedding.
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Spanish Microalgae
A prebiotic superfood that hydrates to balance the scalp and support a healthy skin barrier.
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Plant Stem Cells
Rich in proteins to help anchor strands at the root.
Formulated for thinning, lackluster hair, this hair serum uses clinically-tested, plant-based phytoactives to improve overall hair wellness in as soon as 90 days.**
We recommend 3-6 months of consistent use to see results
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1-Month Supply
BEST VALUE
3-Month Supply
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Vegan -
Cruelty Free -
Clinically Tested
Formulated without
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Hormones -
Silicones
Meet the Brains Behind the Bottles
We partnered with dual board-certified dermatologists Dr. Neera Nathan and Dr. Afton Cobb to create a superior hair system for those with significant shedding.
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98%
saw less shedding**
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95%
said they saw less hair in the shower**
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95%
said their scalp felt healthier **
Good Things Take Time
With daily use, participants experienced:
MONTH 1
Scalp felt healthier and more hydrated**
MONTH 2
Saw less hair coming out on their brush and in the shower**
MONTH 3
Saw a visible improvement in hair density**
**Based on a 120-day consumer perception study of 40 participants using GRO+ Advanced Hair Serum once daily. Individual results may vary.
The Viral Hair Serum Trusted by Millions
Explore the GRO+ Advanced System
GRO+ Advanced Hair Serum (3 Pack)
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A dermatologist co-developed hair serum that visibly improves hair density, reduces shedding and hydrates the scalp to support the skin barrier.
GRO+ Advanced Balancing Shampoo and Conditioner Kit
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A dermatologist co-developed shampoo and conditioner duo that supports fragile, thinning hair by exfoliating the scalp and nourishing from the root.
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A three-step, dermatologist co-developed hair wellness routine that works synergistically to visibly improve hair density and empower thinning strands to thrive.
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A dermatologist co-developed duo that works synergistically to visibly improve hair density for those with severe shedding.
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A dermatologist co-developed and clinically proven system that features four hair wellness essentials designed for those with severe shedding or scalp concerns.
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A dermatologist co-developed dermaroller that gently exfoliates the scalp.
GRO+ Advanced 90-Day Starter Kit
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A three-month supply of our dermatologist co-developed hair serum that improves hair density and reduces shedding, plus a scalp dermaroller and two monthly Replacement Heads.
Finding an effective and natural solution was a priority for me. GRO+ Advanced has exceeded my expectations.
-IDAIRA, verified buyer
Find Your Perfect Hair Routine
Frequently Asked Questions
HOW LONG DOES IT TAKE TO SEE RESULTS?
When applied daily, expect to see results from GRO+ Advanced Hair Serum in 3-4 months. Our best advice: Consistency is key. Using daily is essential to seeing a visible improvement.
WILL GRO HAIR SERUM MAKE MY HAIR GREASY?
No! The formula is lightweight, fast-absorbing and water-based. It can be applied to wet or dry hair without disturbing your style. In a 120-day consumer perception study of individuals using GRO+ Advanced Hair Serum daily, 98% of participants agreed the product did not make their scalp feel greasy.
DOES THIS CONTAIN CBD?
Unlike the prior formula, the new GRO+ Advanced Hair Serum does not contain CBD. Instead, GRO+ Advanced Hair Serum features Spanish Microalgae, a prebiotic superfood that hydrates to balance the scalp and support a healthy skin barrier.