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Fine Hair

GRO Hair Serum

4.4
Rated 4.4 out of 5 stars
5,443 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 5,443 reviews
Total 5 star reviews: 3.7k Total 4 star reviews: 950 Total 3 star reviews: 370 Total 2 star reviews: 170 Total 1 star reviews: 220
5,443 reviews
  • antoinnes
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 35-44
    What is your hair length? Medium
    What are your concerns? Thinning hair, Bald spots, Hair loss prevention, Scalp concerns (irritation / dandruff / oily), Dry or damaged hair
    What is your hair type? Fine, Wavy
    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, Improved volume/body, Improved overall hair health, Easy to incorporate in daily routine
    Rated 5 out of 5 stars
    1 minute ago
    Works better than expected

    Gifted by Vegamour I've been using Vegamour GRO Hair Serum consistently for a few months, and the results are impressive. The serum has a lightweight, non-greasy texture that absorbs quickly into the scalp, making it easy to incorporate into my haircare routine less complicated. Formulated with amazing ingredients that are gentle and comfortable to the scalp and hair. These ingredients help to nourish and support hair growth overtime. After consistent use, I've noticed a significant reduction in hair shedding and an improvement in hair density. My hair feels stronger and looks a lot fuller, especially around the crown area.

  • RebeccaS
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 45-54
    What is your hair length? Long
    What are your concerns? Thinning hair, Scalp concerns (irritation / dandruff / oily), Clean and vegan products, Hair loss from hormonal changes (incl postpartum)
    What is your hair type? Fine, Wavy
    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 thickness, Improved volume/body, Hair growth, Easy to incorporate in daily routine
    Rated 5 out of 5 stars
    4 hours ago
    Really works

    I received this complimentary from Vegamour. I’m such a huge fan of this brand. My hair has gone through a couple phases of thinning in the past several years and this serum has helped me tremendously both times. The shedding drastic slows down after just a couple weeks and new growth is already showing after week 3 for me. I love the jumbo bottle!

  • Alimr
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 25-34
    What is your hair length? Medium
    What are your concerns? Thinning hair, Hair loss prevention, Dry or damaged hair
    What is your hair type? Medium, 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? Hair growth, Less shedding, Hair thickness, Easy to incorporate in daily routine
    Rated 5 out of 5 stars
    14 hours ago
    Holy grail!

    I received this Complimentary from vegamour about a month ago and haven’t stopped using it since. The sides of my head were beginning to bald and after a whole month of using it, I noticed little hairs growing back and significantly thicker!

  • Amber L.
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 25-34
    What is your hair length? Medium
    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? Hair growth, Less shedding
    Rated 5 out of 5 stars
    19 hours ago
    New baby hairs!

    I was gifted by vegamour this product for review and I’m so glad I tried it! I have hair loss that is both genetic and stress related, after two months of using this once daily, my hairline looks much more even and I have so many new baby hairs

  • Yuki
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 25-34
    What is your hair length? Long
    What are your concerns? Bald spots
    What is your hair type? Thick
    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 thickness
    Rated 5 out of 5 stars
    Yesterday
    Amazing

    My hair looks amazing! It’s so much fuller and healthier. It took some time but I can tell the difference. I’ll definitely be purchasing again and if you’re on the fence buy it! It’s completely worth it 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.
  • *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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