Fiber Hairline Card

Straight, sharp lines without the messy edges of applying hair fibers freehand. Your hairline and beard stay clean.

Straight lines

Clean hairline

Sharp beard edges

No fibers on skin

Curved corner

Wipes clean

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“I've tried dozens of brands before, now I only use Smooth Labs, all my clients love it.”

Jeremy Walter, Barber & Hair consultant

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Used every day by 100,000+ members

  • "I love it, it keeps my hair soft and hydrated 10 out of 10"

  • "Great products, I use them every morning"

  • "I love Smooth Labs, they make the best products."

  • "The only products that work on my hair"

  • "Regular shampoos destroy my hair, this one is different"

  • "Nothing to say, the products are very high quality"

Is this product made for me?

If your fibers leave a blurry edge, your hairline is giving you away.

  • You use Hair Fibers

  • You want a straight, natural-looking hairline

  • You fill in your beard and want sharp edges

How is it different from applying fibers freehand?

Freehand, fibers land everywhere. The card stops them exactly where your line ends.

Hold it against your skin and apply your fibers above it. Everything that would have landed on your forehead lands on the card. Lift it and your line is sharp.

  • Straight edge. For hairlines and beard lines.

  • Curved corner. Follows the shape of your temples.

  • Clean skin. Fibers stay off your forehead.

  • Fast. Your line is done in seconds.

Materials

Black PVC. Thin, light and easy to hold.

Material

PVC

Color

Black

Size

10 x 5 cm

Weight

2.5 g

Protection

Peel-off film

Peel off the protective film before first use.

How to use

1 minute. Your sharpest line yet.

  1. Hold the card flat against your skin, right where you want your line.

  2. Apply Hair Fibers just above the edge. The Applicator makes it even more precise.

  3. Lift the card straight off.

  4. Clean up any smudges with the Brush.

  5. Lock it in with Fiber Fixator.

Frequently asked questions

4.5

/5

by

585

reviews

What real customers say

79%

5 star reviews

98%

Recommend

82%

Buy again

Verified customer

Morgan F.

my hairline finally looks real

fibers were great on top but the front always gave me away, kind of blurry like a shadow on my forehead. with the card the edge is clean and it actually looks like a hairline, not makeup

Verified customer

Cole D.

no more black dust on my forehead

no more wiping black dust off my forehead with a tissue every morning. everything lands on the card, I lift it off and my skin is clean

Verified customer

Sébastien C.

sharpest beard line I've had

using it on my cheek line with the fibers on the beard side. looks like I just walked out of the barber, every day

Verified customer

Anthony T.

sell them in packs of 2

4 stars only because I want one for my gym bag and one at home, they should do a 2-pack. does the job perfectly, my line is sharp every time

Verified customer

Benjamin C.

looks like a fresh lineup

my line looks like I just got a lineup. my mates think I'm at the barber every week lol

Verified customer

Jamie S.

flash photos don't scare me anymore

Flash photos used to be the worst, they showed exactly where the fibers stopped. Now the edge is clean so even with flash it just looks like my hair

Verified customer

Jan K.

neck line too

use the straight edge on my neck line for the beard. clean, straight, no fibers on my neck

Verified customer

Austin A.

a minute before class

card, fibers, lift, done. one minute and I'm out the door

Verified customer

Cyprien C.

card then brush

Card for the line, then a quick pass with the Precision Brush to set it all in. Looks like a real hairline from any angle

Verified customer

Oliver R.

now my mate wants one

-1 star because I told my mate about it and now I have to order him one too lol. great little card

Verified customer

Nils A.

best 5 euros I've spent

Thought it was a gimmick, it's a piece of plastic. Then I tried it once and my hairline went from obvious to normal. Best 5 euros I've spent on my hair

Verified customer

Pablo B.

the curved corner is the trick

The curved corner is what sold me. It follows my temples so the line curves round like a real hairline instead of a ruler line. Nobody can tell

Verified customer

Sam L.

worked the first time

Was expecting to need practice. Held it where I wanted my line, shook the fibers above, lifted it. Perfect first try

Verified customer

Kevin S.

thin but solid

for 5€ I thought it'd bend after a week. it's thin and light but still perfectly flat after a month of using it every morning. wipe it and put it back

Verified customer

Octave D.

card + applicator = perfect

I use it with the Fiber Applicator. Card against my forehead, short squeezes right above the edge. Cleanest hairline I've ever had and it takes about a minute

Verified customer

Brian S.

how do you give a card 5 stars

it's a card lol, I can't bring myself to give a card 5 stars. but it completely changed how my hairline looks so take this 4 as a 5

Verified customer

Owen T.

19 and my temples went early

I'm 19 and my temples went back early, it runs in the family. with the fibers and this card people just think I got a fresh cut. nobody in my class has a clue

Verified customer

Milan L.

should come free with the fibers

4 stars only because honestly it should come free with the fibers lol. I wouldn't do my hairline without it now

Verified customer

Blake W.

I can't draw a straight line

I'm terrible at anything precise, I can't even draw a straight line on paper. doesn't matter, the card does it for me

Verified customer

Florent C.

wipes clean

Wipe it after use and it's like new. Peeled the film off on day one and it's been in my drawer next to the fibers ever since, still perfect

Verified customer

Morgan F.

my hairline finally looks real

fibers were great on top but the front always gave me away, kind of blurry like a shadow on my forehead. with the card the edge is clean and it actually looks like a hairline, not makeup

Verified customer

Sébastien C.

sharpest beard line I've had

using it on my cheek line with the fibers on the beard side. looks like I just walked out of the barber, every day

Verified customer

Benjamin C.

looks like a fresh lineup

my line looks like I just got a lineup. my mates think I'm at the barber every week lol

Verified customer

Jan K.

neck line too

use the straight edge on my neck line for the beard. clean, straight, no fibers on my neck

Verified customer

Cyprien C.

card then brush

Card for the line, then a quick pass with the Precision Brush to set it all in. Looks like a real hairline from any angle

Verified customer

Nils A.

best 5 euros I've spent

Thought it was a gimmick, it's a piece of plastic. Then I tried it once and my hairline went from obvious to normal. Best 5 euros I've spent on my hair

Verified customer

Sam L.

worked the first time

Was expecting to need practice. Held it where I wanted my line, shook the fibers above, lifted it. Perfect first try

Verified customer

Octave D.

card + applicator = perfect

I use it with the Fiber Applicator. Card against my forehead, short squeezes right above the edge. Cleanest hairline I've ever had and it takes about a minute

Verified customer

Owen T.

19 and my temples went early

I'm 19 and my temples went back early, it runs in the family. with the fibers and this card people just think I got a fresh cut. nobody in my class has a clue

Verified customer

Blake W.

I can't draw a straight line

I'm terrible at anything precise, I can't even draw a straight line on paper. doesn't matter, the card does it for me

Verified customer

Cole D.

no more black dust on my forehead

no more wiping black dust off my forehead with a tissue every morning. everything lands on the card, I lift it off and my skin is clean

Verified customer

Anthony T.

sell them in packs of 2

4 stars only because I want one for my gym bag and one at home, they should do a 2-pack. does the job perfectly, my line is sharp every time

Verified customer

Jamie S.

flash photos don't scare me anymore

Flash photos used to be the worst, they showed exactly where the fibers stopped. Now the edge is clean so even with flash it just looks like my hair

Verified customer

Austin A.

a minute before class

card, fibers, lift, done. one minute and I'm out the door

Verified customer

Oliver R.

now my mate wants one

-1 star because I told my mate about it and now I have to order him one too lol. great little card

Verified customer

Pablo B.

the curved corner is the trick

The curved corner is what sold me. It follows my temples so the line curves round like a real hairline instead of a ruler line. Nobody can tell

Verified customer

Kevin S.

thin but solid

for 5€ I thought it'd bend after a week. it's thin and light but still perfectly flat after a month of using it every morning. wipe it and put it back

Verified customer

Brian S.

how do you give a card 5 stars

it's a card lol, I can't bring myself to give a card 5 stars. but it completely changed how my hairline looks so take this 4 as a 5

Verified customer

Milan L.

should come free with the fibers

4 stars only because honestly it should come free with the fibers lol. I wouldn't do my hairline without it now

Verified customer

Florent C.

wipes clean

Wipe it after use and it's like new. Peeled the film off on day one and it's been in my drawer next to the fibers ever since, still perfect

And 585+ more reviews

Frequently asked questions

Do I really need it for fibers?

If you want a clean line, yes.

Fibers look natural on top, but it's the edge that shows.

Does it work on my beard?

Yes.

Hold it along your cheek or neck line and apply your fibers on the beard side.

Which side do I use?

The straight edge for straight lines. The curved corner around your temples.

Do I need the Applicator with it?

No, it works with the Hair Fibers bottle on its own.

The Applicator just gives you more control.

What if some fibers still land on my skin?

Wipe them off with the Brush.

Can I reuse it?

Yes.

Wipe it clean after each use. It lasts.

What if it doesn't work for me?

Then it costs you nothing.

You get 30 days to try it. Don't love it? Full refund, no questions asked.

Do I really need it for fibers?

If you want a clean line, yes.

Fibers look natural on top, but it's the edge that shows.

Which side do I use?

The straight edge for straight lines. The curved corner around your temples.

What if some fibers still land on my skin?

Wipe them off with the Brush.

What if it doesn't work for me?

Then it costs you nothing.

You get 30 days to try it. Don't love it? Full refund, no questions asked.

Does it work on my beard?

Yes.

Hold it along your cheek or neck line and apply your fibers on the beard side.

Do I need the Applicator with it?

No, it works with the Hair Fibers bottle on its own.

The Applicator just gives you more control.

Can I reuse it?

Yes.

Wipe it clean after each use. It lasts.

4.6 TrustScore

2146 reviews

4.5 Stars

512 reviews

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