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GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
GRO Hair Serum
4.4
Rated 4.4 out of 5 stars
5,565 Reviews

GRO Hair Serum

Size: Jumbo (3.4oz)
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Subscription Terms
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.

Community-Approved Favorites
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
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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

Reviews