4.4

Rated 4.4 out of 5 stars

5,565 Reviews

GRO Hair Serum

2022 SHAPE Beauty Award Winner
Reduce signs of shedding for thicker, fuller looking hair with our original, best-selling GRO Hair Serum. Formulated for thinning, lackluster hair, this hair serum uses clinically-tested, plant-based phytoactives to improve overall hair wellness, soothing the scalp and increasing the appearance of hair density and thickness. Formulated with clean, vegan ingredients, and ideal to use as a daily hair wellness ritual. Delivers real, visible results in as soon as 90 days.*

Perfect for: Moderate to severe hair loss and thinning
Hair Concerns: Stress-related hair loss, post-partum, menopause, aging, medical conditions, harsh styling

Size: Jumbo (3.4oz)

Single (1oz)

Jumbo (3.4oz)

Your Plan

$165 ~~$213~~

$139 ~~$213~~

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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.

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Rated 4.4 out of 5 stars

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Rated 4.4 out of 5 stars

Rated 4.4 out of 5 stars

5,565 Reviews

GRO Hair Serum

$49

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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A clinically proven serum that supports scalp and follicle health before thinning begins.

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Rated 4.9 out of 5 stars

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$46 ~~$52~~

Quench dry hair with deep levels of moisture that instantly improve the appearance of damaged locks.

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.

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