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Hair Building Fiber Powder

4.8 · 12,400 reviews
  • Instant Natural-Looking Density
  • Sweat & Rain Resistant Hold
  • Undetectable Matte Finish

Choose Your Bundle

Choose Your Shade

Selected: Dark Brown

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Dermatologist Tested

Why Choose Marelle?

Thinning Hair?
Switch To Marelle.

Marelle
Others
Instant Visible Density
Survives Sweat & Rain
Undetectable Matte Finish
No Transplant Needed
Greasy Spray Residue
Washes Out In Rain

Reviews

1,000,000+
have already chosen Marelle.

★ Trustpilot

4.8 · 12,400 verified reviews

Review from Marco V.
Verified

"I was three weeks from booking a transplant consult. One bottle of Medium Brown later — I cancelled the consult."

Marco V.Aug 2025
Review from James R.
Verified

"Tested it in the gym, in the rain, on a night out. Held all three. Most natural finish I've tried."

James R.Sep 2025
Review from Daniel K.
Verified

"My partner didn't notice. That's the highest compliment I can give a product like this."

Daniel K.Jul 2025
Review from Lukas B.
Verified

"Bottle feels as premium as the result. Sits on my shelf like a luxury fragrance — and actually delivers."

Lukas B.Oct 2025

Frequently Asked

Questions, answered.

How long does one bottle last?

Used daily on a small thinning area, one 27.5g bottle lasts approximately 60 days. Larger application zones last 30–45 days.

Will it look fake?

Marelle uses matte keratin fibers shaped and weighted to mimic real hair. Applied correctly, it's undetectable in natural light, on video, and to the touch.

Will it survive sweat or rain?

Yes. The hydrophobic coating resists sweat, light rain, and humidity. It washes out cleanly with shampoo.

Is it safe on my scalp?

Yes. Naturally derived keratin, free of parabens and sulfates, dermatologist-friendly.

Which shade should I pick?

Choose the shade closest to your darkest natural strands. For mixed tones (e.g. grey + brown), order one bottle of each and layer.

What if it doesn't work for me?

Reach out to our support team and we'll help you dial in shade and application technique to get the result you're after.

Final Word

Fix your
bald spot.

Marelle · Dark Brown

€69,99 €99,99