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Fine Hair

GRO Hair Serum

4.4
Rated 4.4 out of 5 stars
5,393 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

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 5,393 reviews
Total 5 star reviews: 3.7k Total 4 star reviews: 940 Total 3 star reviews: 365 Total 2 star reviews: 169 Total 1 star reviews: 217
5,393 reviews
  • Ashley A.
    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 from hormonal changes (incl postpartum)
    What is your hair type? Oily, 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 thickness, Hair growth, Less shedding, Easy to incorporate in daily routine
    Rated 5 out of 5 stars
    4 minutes ago
    Quick Results

    This amazing product was thankfully gifted by vegamour at the perfect time! I am currently 11 months postpartum and was going through a lot of thinning. Just after a week it was already feeling fuller and I was only applying once before bed. I also noticed less hair fallout in the shower. I’m excited to keep using this product after seeing quick results!

  • Lori
    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 from hormonal changes (incl postpartum), Dry or damaged hair, Clean and vegan products, Overall health and wellness (sleep / nutrition)
    What is your hair type? Medium, Wavy, Normal, Color Treated
    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, Hair thickness, Improved overall hair health
    Rated 5 out of 5 stars
    1 hour ago
    Goodbye thin hair!

    Gifted by Vegamour! I love the results after GRO hair serum!! I’ve noticed how my hair has grown since starting to use it!! It has helped my thin hair get fuller! It has helped with reducing the look of shedding!! I can’t wait to see longer results!

  • Alena
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 35-44
    What is your hair length? Medium
    What are your concerns? Dry or damaged hair, Overall health and wellness (sleep / nutrition), Thinning hair
    What is your hair type? Medium
    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
    Rated 5 out of 5 stars
    1 hour ago
    Hair Growth Booster

    Gifted by Vegamour. I have combination hair that tend to thin and break at the edges. After using this hair serum for one month I see an improvement in the hair growth. Vegamour is formulated with plant-derived ingredients such as turmeric, caffeine, and bergamot oil known for their anti-inflammatory properties and boost in blood circulation. The serum is easy to apply and feels light on the hair.

  • Nikki
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range Under 24
    What is your hair length? Long
    What are your concerns? Hair loss prevention, Clean and vegan products, Thinning hair, Bald spots
    What is your hair type? Medium, Curly, Oily, Normal
    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 thickness, Hair growth, Improved volume/body, Improved overall hair health
    Rated 5 out of 5 stars
    1 hour ago
    Consistent use = consistent results!

    i was gifted by vegamour this hair growing serum to try out and i am obsessed with the results i’ve seen so far. even with just 2.5 weeks of consistent daily use at night i have seen a increase of thickness in my hairline baby hairs. Even though I am only 20, i have always struggled with my hairline and having it look full in pony tail, but this serum has helped with my confidence! i highly recommend!

  • Emma
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 35-44
    What is your hair length? Short
    What are your concerns? Thinning hair, Dry or damaged hair
    What is your hair type? Fine, Straight, Color Treated
    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? Less shedding, Easy to incorporate in daily routine, Improved overall hair health, Improved volume/body, Hair growth
    Rated 5 out of 5 stars
    11 hours ago
    Really works

    I’ve really been enjoying this product! I’ve always heard good things about Vegamour. I have thin hair that use to be more full and longer but for some reason it’s changed. I put this in every morning and I’m definitely noticing a difference with it filling in spots that were thinning. Definitely recommend! Gifted by Vegamour but will be repurchasing myself

  • *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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