
Brow Serum
$39.00
Loved by women 45+
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Verified purchaseI over-plucked in the 90s and thought my brows were gone for good. Three months in and I'm filling them in with half the pencil I used to. My husband noticed before I told him.
Brow Serum -
Verified purchaseThe tails of my brows had completely vanished. Week 7 I saw actual hairs coming in where there was nothing. I cried a little, honestly.
Brow Serum -
Verified purchaseSince menopause my brows went from full to see-through. This is the first thing that did anything. It's slow — be patient — but by week 10 they look like brows again.
Brow Serum -
Verified purchaseI have thyroid issues and lost the outer third of both brows years ago. Not everything came back, but enough that I stopped microblading. Zero irritation on my sensitive skin.
Brow Serum -
Verified purchaseI use it with the Soft Grey brow gel because I've gone silver. The gel fixes today, the serum fixed the next three months. Great combo for grey brows.
Brow Serum -
Verified purchaseThe applicator is what sold me — it's wide and gets to the skin, not just the hairs. Two passes a day, and by week 8 the gaps in the middle are gone.
Brow Serum -
Verified purchase
Skeptical at 67. My brows had gone fine and pale. They're darker now and I need a lighter pencil shade. Wish I'd taken a before photo.
Brow Serum -
Verified purchase
Bought it in the brow duo. It takes real patience but I'm at week 11 and the arch is defined again without makeup. Fragrance-free is a big plus for me.
Brow Serum
Individual results vary. Reviews from verified Haleyra customers.
The brows you plucked away — coming back.
Over-plucking in the 90s, thyroid changes, menopause: after 45 brow follicles slow down and the tails are usually the first to disappear. Pencil covers it, but every morning.
Our brow serum feeds the follicle with peptides and biotin so what grows in looks thicker and darker. Sparse tails and gaps fill in first, usually by week 6–8.
- Fuller tails and gapsWhere it matters most
- First results week 4–6Full effect by week 8–12
- No hormonesProstaglandin-free, fragrance-free
Individual results vary. Images are illustrative of expected results after 8–12 weeks of twice-daily use.
How does it work?
Brow hairs grow slower than any other hair on your face, and after 45 the growth phase gets even shorter. Follicles that were plucked for decades don't die — they go dormant, producing finer and finer hairs until they look like nothing.
Haleyra Brow Serum delivers Myristoyl Pentapeptide-17, biotin and panthenol directly to the brow skin twice a day. The peptides support the follicle during its growth phase, so the hairs that come in look thicker, longer and darker.
Because brow growth is slow, consistency matters more than quantity: two light passes a day, every day, for 12 weeks.
What our 12-week brow panel saw.
said their brows looked fuller
saw sparse tails fill in
to a visible difference
Self-assessment panel of 30 women aged 45–68 after 12 weeks of twice-daily use. Individual results vary.
Why brows thin after 45 — and what we do about it.
Brow hair grows slower than any other hair on the face, and after 45 the growth phase gets even shorter. Decades of plucking push follicles into dormancy — they don't die, they produce finer and finer hairs. Our serum is built around that.
01 · Nourish
Feed the dormant follicle
Biotin, panthenol and ginseng condition the root where every brow hair is built — including the ones that went quiet.
02 · Prolong
Support a longer growth phase
Myristoyl Pentapeptide-17 + Biotinoyl Tripeptide-1 help brow hairs stay in their growth phase longer, so tails and gaps fill in thicker and darker.
03 · Protect
Keep what you grow
Castor seed oil and vitamin E keep new brow hairs flexible and conditioned, so fewer break before their time.
Clean actives that actually do something.
Brow cycleRed ginseng
Supports the follicle during the slower 45+ brow growth phase.
StrengthBiotin + peptides
Helps brow hairs look thicker, darker and less brittle.
HydrationHyaluronic acid
Keeps thin brow skin comfortable, never tight.
NourishPumpkin seed oil
Rich in zinc and omegas for a conditioned, glossy look.
No prostaglandins · No hormones · No parabens · No fragrance · Cruelty-free
Haleyra vs. everything else.
| Feature | Haleyra | Prostaglandin serums | Brow pencils & gels |
|---|---|---|---|
| No prostaglandins, no hormones | |||
| Formulated for the 45+ brow cycle | |||
| Real regrowth, not cover-up | |||
| Gentle on thin, sensitive brow skin | |||
| Peptides + biotin + red ginseng | |||
| 90-day results guarantee | |||
| Ships from a U.S. warehouse in 2–5 days |
Twice a day, two light passes. That's the whole routine.
Cleanse
Remove makeup and pat the brow area dry — no moisturizer.
Brush through
Sweep the applicator through each brow in the direction of hair growth, concentrating on tails and gaps.
Let it dry
60 seconds before brow gel or pencil. Morning and night.
Take a day-1 photo
Brow changes are slow. First hairs around week 6; full results by week 8–12.
See a difference in 90 days, or it's free.
Brow serums take time: first new hairs around week 6, full results by week 8–12. So we give you the full 90 days. Use it morning and night, and if you honestly don't see fuller-looking brows, email us for a full refund. No return label, no restocking fee, no photos required.
Questions? Answered.
Does it contain prostaglandins or hormones?
No. Haleyra Brow Serum is a peptide and biotin formula. No prostaglandin analogs, no hormones — the ingredients linked to dark patches and irritation on brow skin with some other serums.
When will I see results?
Brows are slow. Most women notice finer new hairs in the tails and gaps around week 6, with the full effect by week 8–12. That's why our guarantee lasts 90 days — and why we recommend a day-1 photo.
I over-plucked in the 90s. Can those brows come back?
Usually, yes. Plucked follicles go dormant rather than dying — they keep producing finer and finer hairs until they look like nothing. The serum supports those follicles through a longer growth phase. Brows removed by laser or electrolysis are the exception: those follicles are gone.
My brows are going grey. Will it help?
It helps them look fuller and thicker; it doesn't change the color. For grey coverage pair it with the Fiber Brow Gel in Soft Grey — that's the Brow Duo.
How long does one tube last?
About 3 months with twice-daily use — two light passes per brow is all you need. The Lash + Brow Kit is a 3-month supply of both serums.
Where do you ship from, and how fast?
From our U.S. warehouse. Orders ship within 24 hours and arrive in 2–5 business days, with free shipping on every U.S. order.
What if it doesn't work for me?
Use it nightly for 90 days. If you don't see a difference, email us and we'll refund you in full. You keep the product — no return label, no restocking fee.