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Shop › Serums › Lash Serum
★★★★★
847 reviews

Peptide

Lash Serum.

5ML · 30-DAY SUPPLY
$39.00
  • Visible results in 28 days
  • 5× peptide complex — anchors, grows, conditions
  • No hormones, no prostaglandins, no irritants
  • Apply once nightly — results while you sleep
CHOOSE YOUR RITUAL
1 × LASH SERUM
30-day supply
$39.00
2 × LASH SERUM
Most popular — save $6
$78.00 $72.00
BUY 2, GET 1 FREE
Best value — save $33
$117.00 $78.00
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28-day
Guarantee
HOW TO USE +
  1. 01 Cleanse — remove all makeup, dry completely.
  2. 02 Apply — one sweep along the upper lash line.
  3. 03 Sleep — peptides activate during your body's repair cycle.
INGREDIENTS +
5× Peptide Complex: Myristoyl Pentapeptide-17, Biotinoyl Tripeptide-1, Oligopeptide-2, Acetyl Tetrapeptide-3, Copper Tripeptide-1

Nourishing Base: Hyaluronic Acid, Panthenol, Biotin, Castor Oil
SHIPPING & RETURNS +
Free shipping on all orders. Ships within 24 hours. 28-day money-back guarantee. Free returns, no questions asked.
REAL RESULTS

28 days.
You'll see it.

After photo
Before photo
Before
After 28 days
Week 0 — natural lashes
Drag to compare ⟺
Week 4 — with KØS
THE TIMELINE

What happens
every week.

Your lashes change more than you think.

WEEK 01

The activation

Peptides absorb into the follicle. You won't see anything yet — but underneath, the growth cycle is already shifting.

WEEK 02

First signs

Lashes feel slightly thicker at the root. Some notice less fallout in their makeup remover. The serum is working.

WEEK 03

The shift

Length becomes visible. The difference is subtle but it's there. People start asking if you're doing something different.

WEEK 04

The result

Fuller. Longer. Yours. This is what 28 days of consistent use looks like. Most customers never stop.

Results compound. The longer you use it, the better it gets.

THE NUMBERS

Science you can
actually see.

Every claim backed by independent testing. These are real numbers from real customers after 28 days.

94% Reported visibly longer lashes
Peptide complex
28 Days to first visible results
0 Parabens, sulfates, fillers
Clinically tested formula
Independent results. No paid claims.
THE RITUAL AWAITS

Start the ritual.

28 days. That's all it takes.

Free shipping over $50 28-day money back guarantee