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Fine Hair

GRO Hair Serum

4.4
Rated 4.4 out of 5 stars
5,335 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 5,335 reviews
Total 5 star reviews: 3.6k Total 4 star reviews: 935 Total 3 star reviews: 365 Total 2 star reviews: 169 Total 1 star reviews: 217
5,335 reviews
  • Amber L.
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 25-34
    What is your hair length? Medium
    What are your concerns? Thinning hair, Dry or damaged hair, Scalp concerns (irritation / dandruff / oily)
    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? 30 days (1 month)
    What improvements have you noticed? Improved volume/body, Less shedding, Easy to incorporate in daily routine
    Rated 5 out of 5 stars
    6 minutes ago
    Not sticky!

    This scalp serum tops the market because it does not leave any sticky residue behind at all, so you don’t have to worry about your pillowcase/skin, and it makes distributing through your scalp much easier and faster. Gifted by Vegamour

  • Mickala
    Verified Reviewer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 25-34
    What is your hair length? Medium
    What are your concerns? Scalp concerns (irritation / dandruff / oily), Thinning hair
    What is your hair type? Fine, Curly, Normal
    How often are you using the product? Every day
    How long have you been using the product? 120 days (4 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
    1 hour ago
    Works amazingly!

    Complimentary from Vegamour. This product is definitely a game changer. I definitely do feel my hair feels and looks fuller. I am definitely excited to keep using it. The texture of the serum is very watery and lightweight. I got the jumbo 3 month supply and I think the packaging is very pretty. Overall,the product works great for me and I will definitely add this to my repurchase list.

  • Meg
    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 from hormonal changes (incl postpartum), Hair loss prevention, Graying hair or gray hair prevention, Dry or damaged hair
    What is your hair type? Wavy, 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, Improved overall hair health, Easy to incorporate in daily routine, Hair growth
    Rated 4 out of 5 stars
    3 hours ago
    Really seems to be working!

    Got it—here’s the same review, cleaned up with a more natural flow and no em dash: ⸻ I’ve been using the VEGAMOUR GRO Jumbo Hair Serum for a little over a month now and I’m honestly pretty impressed. It’s super lightweight, absorbs quickly, and doesn’t leave any weird residue or greasy feeling, which is huge for me since I have fine hair. I started noticing less hair in my brush and shower drain after a couple of weeks, and some of the thinner spots around my temples are slowly starting to look fuller. It’s definitely not a quick fix, but with consistent use I can actually see a difference, and that’s more than I can say for a lot of other products I’ve tried. This product was gifted by Vegamour.

  • Camille G.
    Verified Buyer
    Reviewing
    GRO Hair Serum
    I recommend this product
    Age Range 25-34
    What is your hair length? Medium
    What are your concerns? Thinning hair, Bald spots
    What is your hair type? Curly, Wavy, Medium
    How often are you using the product? 3 - 4 times per week
    How long have you been using the product? 30 days (1 month)
    Rated 4 out of 5 stars
    12 hours ago
    My husband stole my serum!

    I’m loving this serum! My hair has been thinning for some time and I’ve loved the progress made with this product. My husband has now stolen it from me so now we’re both on this journey!

  • Daria
    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
    What is your hair type? Straight
    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, Less shedding
    Rated 5 out of 5 stars
    13 hours ago
    Absolutely love it!

    I received the Vegamour GRO Hair Serum complimentary from Vegamour, and I’ve been using it consistently — the results have been remarkable. My hair feels noticeably thicker and healthier. The serum’s lightweight, non-greasy formula makes it easy to apply daily without leaving any residue. I’ve observed a significant reduction in hair shedding and an increase in new hair growth, especially around my hairline. The natural, plant-based ingredients like mung bean and red clover are a bonus, providing a holistic approach to hair care. I wasn’t sure what to expect at first, but now I genuinely recommend it to anyone looking to improve their hair’s volume and strength.

  • *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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