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Fine Hair

GRO Hair Serum

4.4
Rated 4.4 out of 5 stars
5,296 Reviews

#1 Prestige Hair Serum* for Thinning & Shedding

A plant-powered, clinically tested and scientifically proven serum that reduces shedding and thinning with visible results in as soon as 3 months.**

  • Reduces shedding and helps prevent hair thinning
  • Supports visibly fuller, healthier hair over time
  • Strengthens strands while promoting scalp health

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

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We recommend 3+ months of consistent use for thicker, fuller looking hair.

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Best Value

One Time Purchase $64.00
For best results, we recommend 3-6 months of consistent use
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  • Reduces shedding and helps prevent hair thinning
  • Supports visibly fuller, healthier hair over time
  • Strengthens strands while promoting scalp health

Clinically Tested

**Based on a 120-day independent, third-party clinical study with 40 participants using GRO Hair Serum once daily.

Formulated with Standardized, Drug-Free Ingredients for Best Results

Key Ingredients

Tumeric

Increases the appearance of hair density.

Caffeine

Stimulates the scalp.

Mung Bean & Red Clover Blend

Increases the appearance of hair density.

Biotin

Increases the appearance of hair density.

Our Standards

  • Check

    Clinically Tested

  • Check

    Vegan

  • Check

    Dermatologist Co-Developed

  • Check

    Cruelty-Free

  • No

    Silicones

  • No

    Fragrance

See It to Believe It

Real People, Real Results

**Based on a 120-day consumer perception study of 40 participants using GRO Hair Serum once daily.

**Based on a 120-day consumer perception study of 40 participants using GRO Hair Serum once daily.

How to use GRO Hair Serum

Thicker, fuller, healthier looking hair in as soon as 90 days

01

Use One Dropperful Daily.
One Bottle = One Month

02

Apply Directly to Damp or Dry Scalp

03

Massage Into Scalp, Style Hair as Usual

Transform Your Hair & Your Confidence

With daily use of GRO Hair Serum, you may begin to notice:

Your GRO Timeline

  • Month 1

    Less breakage, with a healthier, more hydrated scalp*

  • Month 2

    Thicker, fuller hair with

    noticeable improvement*

  • Month 3

    Visibly less shedding and more resilient hair*

  • Month 4+

    Ongoing results and

    unmatched confidence

*Based on a 120-day consumer perception study of 40 participants using GRO Hair Serum once daily.

How Our Serums Stack Up

Vegamour

The Competition

Made with clean, plant-based ingredients

Clinically tested final formulas

Results in as little as 3 months

No prescription required

Co-developed with dermatologists*

Non-greasy, no residue

*GRO+ Advanced Hair Serum only

The Viral Hair Serum Trusted by Millions

#1 Prestige Hair Serum

Vegamour is a holistic approach to hair wellness that incorporates clinically tested plant-based ingredients that work in tandem to promote healthy, beautiful hair naturally, without the use of harmful chemicals

4.4
Rated 4.4 out of 5 stars
Based on 5,296 reviews
Total 5 star reviews: 3.6k Total 4 star reviews: 927 Total 3 star reviews: 365 Total 2 star reviews: 169 Total 1 star reviews: 216
5,296 reviews
  • Jay
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 25-34
    What is your hair length? Short
    What are your concerns? Thinning hair, Hair loss prevention, Dry or damaged hair
    What is your hair type? Curly
    How often are you using the product? 3 - 4 times per week
    How long have you been using the product? 90 days (3 months)
    What improvements have you noticed? Less shedding, Hair growth
    Rated 5 out of 5 stars
    1 hour ago
    So good!

    I love that this formula isn’t greasy at all. It’s water based so it doesn’t make my hair look dirty. The jumbo size is a life saver, I feel like I go through the smaller bottles so fast. My baby hairs are finally growing back! Gifted by vegamour

  • Elizabeth S.
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range Under 24
    What is your hair length? Long
    What are your concerns? Thinning hair, Hair loss from hormonal changes (incl postpartum), Dry or damaged hair, Hair loss prevention
    What is your hair type? Fine, Dry, Chemically Treated, Color Treated, Straight
    How often are you using the product? 5 - 6 times per week
    How long have you been using the product? 30 days (1 month)
    What improvements have you noticed? Less shedding, Hair growth, Hair length, Improved volume/body, Hair thickness
    Rated 5 out of 5 stars
    2 hours ago
    Actually works quick!

    This was gifted by Vegamour. This is a amazing hair serum! The Vegamour GRO serum has become a new favorite! I noticed in just a short time how many baby hairs have been growing in at a rapid speed. After looking into this product more, I’ve realized that it is clinically studied which makes me trust a product so much more. This stuff is super lightweight and I don’t even feel it on my scalp I really like the scent ,it’s super floral and citrusy. My hair definitely isn’t falling out as much, especially when I brush it. I used to have to clean my brush every time I used it because of how bad my shedding was, but now I honestly forget to clean it because there’s never any hair on it. The same thing goes for the shower, I used to have so much hair falling out and clogged the drain, but now I don’t see any hair at all in the shower! I also love the texture of my hair in general seems softer but yet stronger. I find it hard to find hair products that work this great while still having clean ingredients and this one definitely passed my expectations. I recently bleached and dyed my hair and this has helped keep my hair strong.

  • Kels
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range Under 24
    What is your hair length? Long
    What are your concerns? Thinning hair
    How often are you using the product? 3 - 4 times per week
    How long have you been using the product? 30 days (1 month)
    What improvements have you noticed? Hair thickness
    Rated 5 out of 5 stars
    5 hours ago
    Great product

    I was gifted by vegamour in exchange for a review, and I would definitely recommend this product. I really love how the ingredients are clean. After using for a few weeks, my hair has already started to feel thicker and visibly less thin.

  • Jackie355
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 35-44
    What is your hair length? Long
    What are your concerns? Thinning hair, Bald spots, Hair loss prevention, Hair loss from hormonal changes (incl postpartum), Graying hair or gray hair prevention
    What is your hair type? Fine
    How often are you using the product? Every day
    How long have you been using the product? 30 days (1 month)
    What improvements have you noticed? Hair growth, Hair thickness, Improved overall hair health, Easy to incorporate in daily routine
    Rated 5 out of 5 stars
    5 hours ago
    So easy to use!

    I was excited to try the Vegamour Jumbo GRO Hair Serum because I have heard such good things about how successful it is at growing your hair back and the jumbo size is a perfect 3-month supply to see results. For some reason my hair is really thinning at the front sides and it’s upsetting. It’s so easy to use: it has a watery texture and it’s like just applying water to your scalp, It sinks in immediately and dries really fast. It doesn’t leave any residue on my hair whatsoever, so I can apply it and leave the house. I’ve been using it 1 month and can already see results, I’m excited to see results I get long-term! Gifted by Vegamour.

  • Ashley
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range Under 24
    What is your hair length? Long
    What are your concerns? Thinning hair, Hair loss prevention
    What is your hair type? Medium
    How often are you using the product? 5 - 6 times per week
    How long have you been using the product? 30 days (1 month)
    What improvements have you noticed? Less shedding, Hair growth
    Rated 5 out of 5 stars
    8 hours ago
    Excellent serum

    This hair serum was absolutely lovely. It made my scalp feel great and did not leave any kind of oily residue afterward. I feel like I see some of my baby hairs growing and hair getting thicker in some areas that I had thinner hair in. Would recommend this! Gifted by vegamour

  • *Based on 2024 USA unit sales of GRO Hair Serum. Source: YipitData.
  • **Based on a 120-day independent, third-party clinical study with 40 participants using GRO Hair Serum once daily.
  • †Based on a 120-day consumer perception study of 40 participants using GRO Hair Serum once daily.
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