4.4

Rated 4.4 out of 5 stars

5,666 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

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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

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

Turmeric

Inspired by the body’s own natural signaling system, these tiny plant-derived messengers deliver targeted benefits that boost hair thickness, strength and 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.

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