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 Rated 4.8/5 by 100,000+ Women

4.2K+ bought in past month

Reverse Eyebrow Thinning & Sparse Brows — Clinically-Inspired Formula That Boosts Fullness & Thickness in Just Weeks!

RootLabs™ Serum proven to restore thicker brows, stronger growth, and fuller confidence.

Less than 1% of customers claim our Money-Back Guarantee

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shield_with_heart Revives Thinning Brows

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I started using this serum on my eyebrows a month ago, and I’m already seeing new baby hairs! And the roll-on makes it so easy to apply exactly where I need it. My brows actually feel and look fuller — I’m obsessed!

- Lauren J.
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I've tried many products. How is this serum better?

RootLabs’ precision roll-on formula targets the three root causes simultaneously — dormant follicles, poor circulation, and a stressed skin barrier.

Our targeted roll-on applicator delivers concentrated rosemary and copper peptides exactly where you need them most — sparse arches, thin tails, or overplucked areas.

No messy oils that drip or dilute. Just precise, powerful nourishment that helps restore visibly fuller, healthier brows.

How long do I have to use this before I see results?

Here's the realistic timeline: most customers notice less hair shedding within

3-4 weeks (less hair in your brush and shower drain).

The first baby hairs typically appear around 4-5 weeks, and significant

improvement happens around 8-12 months. Remember, your hair grows in

cycles, so anything promising "overnight" results is probably too good to be true.

What if it doesn't work for me? Can I get my money back?

Absolutely!

RootLabs comes with a 90-day money-back guarantee because we're

confident in our formula. If you're not satisfied for any reason, just contact

our customer service team for a full refund.

Here's what we recommend: use it consistently for the full 90 days (it only

takes 10 seconds each morning), and if you don't notice less shedding and a

healthier-feeling scalp, get your money back.

Nature’s Regrowth Solution.

How RootLabs™ Revives Thinning Eyebrows

RootLabs™ Hair Growth Serum reawakens dormant eyebrow follicles and improves circulation with restorative ingredients like rosemary oil and copper peptides.

Biotin and argan oil nourish and strengthen delicate brow hairs, helping them grow back thicker, fuller, and more defined while preventing breakage or fallout.

The easy-to-use roll-on applicator allows for precise application along sparse or over-plucked areas, supporting visible regrowth and natural fullness in just a few weeks.

Without

After 8 Weeks

 
 
  • Week 1 - Activation Begins

    Your brow follicles start to wake up. You may notice less fallout, healthier skin around the brows, and a subtle tingling as circulation improves. The foundation for new, fuller growth is forming.

  • Week 5 — Early Regrowth Appears

    New baby hairs start to appear along your brow line or sparse areas. Each strand feels stronger, thicker, and healthier, while your skin feels nourished and balanced.

  • Week 8 — Noticeable Density Boost

    You’ll see visible improvement in fullness and shape — your brows look denser and more defined. Breakage slows, and the new growth feels soft yet strong.

  • Week 12 — Major Regrowth Phase

    You’ll see visible improvement in thickness and coverage — your brows look fuller, more even, and naturally defined. Sparse areas fill in, and new growth feels soft yet resilient.

  • Week 18 — Peak Growth & Lasting Strength

    You’ll see visible improvement in thickness and shape — your brows look fuller, healthier, and more defined. Sparse spots fill in, and new growth feels soft yet strong.

    🌿 Ingredients & How It Works

    RootLabs™ uses clinically inspired ingredients that target every stage of hair growth to restore thicker, fuller, healthier hair from the root up.

    🪴
    Rosemary Oil — Reactivates Dormant Follicles

    Boosts brow circulation and reactivates weak or dormant follicles to encourage fresh, natural regrowth in sparse or thinning areas.

    💧
    Copper Peptides — Strengthens from the Root

    Supports follicle health and extends the growth phase, reducing shedding and promoting thicker hair.

    🥥
    Argan Oil — Nourish & Protect Strands

    Rich in essential fatty acids and antioxidants, it conditions Eyebrows, locking in moisture and improving elasticity for smoother, shinier growth.

    🌿
    Aloe Vera — Soothe & Balance Scalp

    Soothes irritation, reduces flakiness, and creates the perfect environment for strong, consistent hair growth.

    • Worth every penny

      After 30 days of daily use, my brows were slightly darker, and by 2 months they were noticeably thicker and fuller — I couldn’t believe it worked! Applying it at night after removing makeup, and again in the morning for 5 minutes before my brow routine, made a huge difference. I’ve had to tweeze stray hairs, some even long enough to trim, and now I can leave the house without filling in. At 46 with normal age-related thinning, this serum is worth every penny.

      Emily A.

    • Before and After Results

      I’ve been using this for about 8 weeks now, and I can honestly say my eyebrows have changed a lot. They used to be so patchy from over-plucking in my 20s, but now they’re thicker and more even. I actually get compliments on my brows now — something I never thought I’d hear again. I’m obsessed.

      Madison Lewis

    • overplucked brows

      I seriously thought my brows were ruined forever after over plucking. The tails never grew back, no matter what oil or serum I tried. 2 months and I started seeing noticeable difference and hairs filling in the gaps. It's the first time in years my brows look full without makeup.

      Laurel V.

      Why RootLabs™ Actually Works

      (When Others Don’t)

      Most brow and hair serums only coat the

      surface — they make what’s left look shiny,

      but they don’t help new growth.

      RootLabs™ goes deeper.

      It’s powered by Redensyl®, Anagain™, Aminexil and Rosemary Extract — ingredients that don’t just nourish existing hair… they reactivate dormant follicles.

      These ingredients are clinically shown to:

      • 🔹 Boost circulation to feed weak follicles
      • 🔹 Extend the natural growth phase of each strand
      • 🔹 Strengthen new growth so it’s thicker and more resilient
      • 🔹 Support long-term follicle health — so results last

      No harsh chemicals. No hormones. Just clean, proven ingredients that target the root cause of thinning.

      See Results — Or Get Your Money Back

      We’re so confident in RootLabs™ that we offer a 90-day risk-free guarantee.

      If you don’t see visible regrowth, you’ll get a full refund. No hassle.

      Because confidence shouldn’t come with conditions.👉 Try RootLabs™ today and see what real regrowth feels like.