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Fine Hair

GRO Hair Serum

4.4
Rated 4.4 out of 5 stars
5,455 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

One Time Purchase
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 5,455 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
5,455 reviews
  • Nancy
    Reviewing
    GRO Hair Serum
    I do not recommend this product
    Rated 2 out of 5 stars
    9 minutes ago
    2 Stars

    Made my hair greasy

  • kate
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range Under 24
    What is your hair length? Medium
    What are your concerns? Thinning hair, Bald spots, Hair loss from hormonal changes (incl postpartum)
    What is your hair type? Medium, Normal
    How often are you using the product? 5 - 6 times per week
    How long have you been using the product? 60 days (2 months)
    What improvements have you noticed? Hair growth, Hair thickness, Less shedding, Hair length, Improved overall hair health
    Rated 5 out of 5 stars
    6 hours ago
    LOVE IT!

    Gifted by vegamour!! i love this hair serum so much! lost so much hair postpartum and started using this serum and the difference is hugeee!! i love that it’s not oil, it doesn’t make your hair oily or greasy at all, you can use it whenever u want!

  • Lollie
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 25-34
    What is your hair length? Long
    What are your concerns? Hair loss prevention, Thinning hair, Dry or damaged hair
    What is your hair type? Straight, Medium, 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? Hair growth, Less shedding, Easy to incorporate in daily routine, Improved overall hair health, Improved volume/body
    Rated 5 out of 5 stars
    Yesterday
    An absolute must have in my daily self care routine

    I started to get serious about my hair care specifically scalp care. Ive been using Gro hair serum by Vegamour for about 6 weeks now and im very pleased. This serum is ultra lightweight with a water like consistency it doesn’t weigh down hair or make it look greasy, plus it can be applied to wet or dry hair. Since using I’ve noticed significantly less fall out, new growth on the top and temples- my hair feels more substantial with added volume & bounce. A quick and easy step worth adding to your daily routine - highly recommend!

    Complimentary from vegamour

  • Rach
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 35-44
    What is your hair length? Long
    What are your concerns? Thinning hair, Hair loss from hormonal changes (incl postpartum), Hair loss prevention, Dry or damaged hair, Overall health and wellness (sleep / nutrition)
    What is your hair type? Fine
    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? Hair growth, Improved volume/body, Improved overall hair health, Easy to incorporate in daily routine
    Rated 5 out of 5 stars
    Yesterday
    Seeing results!

    This stands out to me as someone who has suffered from thinning, fine hair since puberty. I also have iron deficiency anemia along with a heart condition. My hair grows but also is sparse and breaks easily. This has given me optimism for having more density and being able to fill in those sparse spots. I had no irritation and beautiful results overall. Baby hairs are coming in and my widows peak is starting to fill out again. I'm encouraged with my results and will continue to use in the future. I also like that this is plant based. Gentle ingredients gives me a bit more peace of mind. Gifted by Vegamour

  • Annie M.
    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, Scalp concerns (irritation / dandruff / oily), Overall health and wellness (sleep / nutrition)
    What is your hair type? Fine, Oily
    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, Hair thickness, Improved volume/body, Improved overall hair health
    Rated 5 out of 5 stars
    2 days ago
    Worth!

    . After using Vegamour’s GRO Hair Serum for several months, I can confidently say it’s been a game-changer for my hair. Initially, I was skeptical about yet another hair growth product, but the results have exceeded my expectations. Within the first month, I noticed a significant reduction in hair shedding. By the third month, baby hairs began sprouting along my hairline, and my overall hair density improved noticeably. The serum’s lightweight, non-greasy formula made it easy to incorporate into my daily routine without leaving any residue or weighing down my hair. Even on days I didn’t wash my hair, applying the serum didn’t make it look oily, which is a huge plus for someone with fine hair like mine. Consistency is key with this product. In summary, Vegamour’s GRO Hair Serum has revitalized my hair, making it thicker, healthier, and more resilient. It’s an investment, but for me, the results have been well worth it.

  • *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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