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Fine Hair

GRO Hair Serum

4.4
Rated 4.4 out of 5 stars
5,460 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 5,460 reviews
Total 5 star reviews: 3.7k Total 4 star reviews: 953 Total 3 star reviews: 371 Total 2 star reviews: 172 Total 1 star reviews: 220
5,460 reviews
  • Linh
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 25-34
    What is your hair length? Long
    What are your concerns? Thinning hair, Hair loss prevention
    What is your hair type? Fine, Straight, Normal
    How often are you using the product? Every day
    How long have you been using the product? 90 days (3 months)
    What improvements have you noticed? Hair growth, Hair thickness
    Rated 5 out of 5 stars
    1 hour ago
    It works great for my hair!

    I gifted by Vegamour in exchange for my honest review. I’ve been using the Vegamour GRO Jumbo Hair Serum daily for a few months now, and honestly, it's one of the better hair growth serums I’ve tried. The texture is super lightweight—not greasy or sticky at all—so I can use it every morning without messing up my styling. I focus on my thinning areas and massage it in, and it absorbs quickly.

    What I love is that it's plant-based and doesn't have that harsh chemical smell. It's gentle on my scalp and doesn’t cause any irritation. I started noticing less shedding after the first month, and by the third month, some baby hairs started popping up—especially around my hairline.

    It does require patience and consistency, but if you're looking for a clean, vegan solution that feels good and actually helps reduce shedding, this one is worth a shot. I’d recommend getting the jumbo size if you're committed because it lasts longer and is more cost-effective in the long run.

  • Steph
    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, Hair loss prevention, Scalp concerns (irritation / dandruff / oily), Dry or damaged hair
    What is your hair type? Fine
    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, Hair thickness, Improved volume/body
    Rated 5 out of 5 stars
    5 hours ago
    Love it.

    I’ve been using this for 2 months now. My hair definitely looks fuller. I feel more confident now. I will keep continuing to use this product and tell everyone I know about it. If you’ve been wanting to try this out I would highly recommend it! Gifted by Vegamour.

  • Ashma K.
    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? Fine, Dry, Normal
    How often are you using the product? 5 - 6 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
    11 hours ago
    Love it

    I’ve been using the GRO Hair Serum for Thinning and Shedding by Vegamour, and I can genuinely say it’s become a staple in my hair care routine. After consistent use, I noticed less hair fall during brushing and washing, and my hair feels fuller at the roots. It’s lightweight, non-greasy, and doesn’t weigh my hair down — which I love. The fact that it’s plant-based and cruelty-free makes it even better. I know results can take time, but seeing visible improvement in my hair health has made me so hopeful and excited to keep going! Gifted by vegamour

  • Marcia M.
    Verified Buyer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 65+
    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, Color Treated
    How often are you using the product? Every day
    How long have you been using the product? 90 days (3 months)
    What improvements have you noticed? Less shedding, Hair growth, Hair thickness, Improved volume/body, Improved overall hair health
    Rated 5 out of 5 stars
    13 hours ago
    L o v e

    It's made a difference in a few months of use

    Improved quality strength and regrowth

    Will continue to use

    Love all vegamour hair products just wish they were more affordable so I could subscribe

  • Jaime
    Reviewing
    GRO Hair Serum
    I recommend this product
    Rated 5 out of 5 stars
    Yesterday
    5 Stars

    Shows some growth so far.

  • *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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