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Fine Hair

GRO Hair Serum

4.4
Rated 4.4 out of 5 stars
5,411 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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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

There’s Power in Numbers

Up to 90%

reduction in signs of shedding**

Up to 56%

increase in appearance of hair density**

93%

saw less shedding†

90%

saw an improvement in appearance of their hair†

83%

said their hair was stronger and more resilient†

#1 Prestige Hair Serum* for Thinning & Shedding

Vegamour’s plant-powered, clinically tested solutions are designed to deliver real, visible results — because it’s not just about hair, it’s about feeling like yourself again.

Our Standards

  • Check

    Clinically Tested

  • Check

    Science-Backed

  • Check

    Trusted by Experts

  • Check

    Vegan

  • Check

    Clean

  • Check

    Cruelty-Free

See It to Believe It

Real women, real results, real confidence.

Based on consistent use for at least 90 days. Individual results may vary.

Based on consistent use for at least 90 days. Individual results may vary.

How to Use GRO Hair Serum

Visibly fuller, healthier hair in as soon as 3 months.**

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

The Viral Hair Serum Trusted by Millions

4.4
Rated 4.4 out of 5 stars
Based on 5,411 reviews
Total 5 star reviews: 3.7k Total 4 star reviews: 945 Total 3 star reviews: 365 Total 2 star reviews: 170 Total 1 star reviews: 218
5,411 reviews
  • Patx
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 25-34
    What is your hair length? Long
    What are your concerns? Thinning 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? 60 days (2 months)
    What improvements have you noticed? Hair growth
    Rated 5 out of 5 stars
    18 hours ago
    Good

    Very good serum. The bottle is simple and pretty, easy to use. Scent is light and neautral. I can see results after using this. Jumbo size is perfect size to have enough serum for few weeks. Gifted by vegamour

  • Simona P.
    Verified Buyer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 45-54
    What is your hair length? Medium
    What are your concerns? Thinning hair, Hair loss prevention, Overall health and wellness (sleep / nutrition)
    What is your hair type? Fine, Straight, Oily
    How often are you using the product? 3 - 4 times per week
    How long have you been using the product? 150 days (5 months) or more
    What improvements have you noticed? Improved volume/body, Easy to incorporate in daily routine
    Rated 5 out of 5 stars
    4 days ago
    it's working!!!

    I have been using Vegamour GRO serum for more than a year, although not daily because I tend to forget. The only other change I have made during that time is that I also started using a collagen powder in my coffee most mornings. I can definitely see a huge difference from a year ago - especially the corners of my forehead have filled in with new hair and my hairline, overall looks a lot better. It used to be a huge hang up for me but now I barely think of my hair as an issue. I am 52.

  • nadine a w.
    Verified Buyer
    Reviewing
    GRO Hair Serum (3 Pack)
    I recommend this product
    Age Range 65+
    What is your hair length? Long
    What are your concerns? Thinning hair, Bald spots, Hair loss prevention
    What is your hair type? Fine
    How often are you using the product? Every day
    How long have you been using the product? 150 days (5 months) or more
    What improvements have you noticed? Less shedding, Hair growth
    Rated 5 out of 5 stars
    4 days ago
    It works

    I have had a positive experience with Vega more. Except surprisingly it took at least a year before I saw noticeable results. I had read you could tell after a month or two months for me. It was a year until I could see results. The areas of hair loss or thinning hair did not grow long hair, but almost like fur. It’s short, but it covers my scalp. You can see the pictures that I’ve included, but I continue to use it and I have started using it on my husband and I think his hair is also thinking. I would love to pay to be a gray herd endorse or endorsement but for now I’ll keep paying and keep using this stuff. I am pretty diligent about using it every day. I don’t think I miss too many.

  • Megan M.
    Verified Buyer
    Reviewing
    GRO Hair Serum (3 Pack)
    I recommend this product
    Age Range 45-54
    What is your hair length? Long
    What are your concerns? Thinning hair, Hair loss from hormonal changes (incl postpartum), Hair loss prevention
    What is your hair type? Medium, Wavy
    How often are you using the product? Every day
    How long have you been using the product? 150 days (5 months) or more
    What improvements have you noticed? Less shedding, Hair thickness, Improved volume/body, Improved overall hair health, Easy to incorporate in daily routine
    Rated 4 out of 5 stars
    5 days ago
    Love this stuff

    I can’t really tell if this made more hair grow back in, but it definitely slowed the shedding and made my hair feel significantly thicker and healthier. You do have to do it for a few month to notice the difference. Unfortunately I had to stop ordering it because I can no longer afford it, but if you can, you should.

  • Arlette S.
    Verified Buyer
    Reviewing
    Complimentary: GRO Hair Serum (3 Pack)
    I recommend this product
    Age Range 25-34
    What is your hair length? Medium
    What are your concerns? Thinning hair, Bald spots, Hair loss prevention, Hair loss from hormonal changes (incl postpartum), Overall health and wellness (sleep / nutrition)
    What is your hair type? Fine, Wavy, Oily, Color Treated
    How often are you using the product? Every day
    How long have you been using the product? 60 days (2 months)
    What improvements have you noticed? Less shedding, Hair growth, Hair length, Hair thickness, Improved overall hair health
    Rated 5 out of 5 stars
    5 days ago
    Love it! It really works!!!

    I have been using the Vegamour serum for already 2 months. I apply it every night and I saw results withing a few weeks. I really recommend it to anyone who is looking to have fuller hair.

  • *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.
  • *Based on a 120-day independent, third-party clinical study with 40 participants using GRO+ Advanced Hair Serum once daily.
  • **Based on a 120-day consumer perception study of 40 participants using GRO+ Advanced Hair Serum once daily.
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