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100% CLEAN, NON-IRRITATING
NO ANIMAL TESTING
FREE SHIPPING ON ALL U.S. ORDERS $200+

Hello seamless, natural coverage.

From instant fixes to lasting coverage, everything
you need for instant, thicker-looking hair.

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Thicker
About Thicker

Seemless Hair Coverage

Thicker was built for one reason: to make thinning hair a non-issue. Our formulas blend instantly, stay locked in and feel like nothing’s there. No gimmicks. No harsh chemicals. Just fuller-looking hair you can trust every day.

About Us
Thicker Instantly. Conceal Seamlessly.
Thicker

Thicker hair in 30 seconds

Get thicker-looking hair in seconds, blending seamlessly without looking fake.

Thicker

Looks like your real hair

Gain all-day confidence. No one will notice our undetectable blends, but you’ll feel the difference.

Thicker

Dermatologist approved

Breathable, lightweight & gentle formulas designed for all-day comfort and confidence.

Thicker

Gym, date or big meeting?

Designed to fit into your routine. From quick touch-ups to week long cover-ups.

See results in 30 days or your money back

No risk. Just thicker, fuller hair you’ll love.

Instant Coverage
Scalp Friendly
Dermatologist Approved

Over 3827 Happy Reviews

Emily R

Finally found a spray that gives me volume without that awful crunchy feel. My hair still moves naturally.

Emily J

Black

My friend asked if I’d started some new hair treatment. Nope, just this. Couldn’t believe she didn’t see it was fibres.

Ethan L

Dark Brown

I used it before a big presentation and didn’t have to worry once. It lasted all day under hot lights.

Daniel K

Black

Looked in the bathroom mirror at work and for the first time in years I wasn’t panicking about scalp showing.

Laura P

Dark Brown

For months I avoided photos, skipped social events, even pulled back from dating. It sounds shallow but hair loss eats at you. The first time I used this, I cried. I looked in the mirror and saw myself again. Not a miracle cure - just instant relief. That was enough.

Ben C

I don’t style my hair much, but I hate when it looks flat after the gym. A couple sprays of this and it still looks fresh even when I’m sweating.

Alex P

I was skeptical because most sprays I’ve used dry my scalp out. This one feels much lighter and doesn’t irritate. I can use it daily without buildup, which is rare.

Hannah C

Black

So easy. One application and I don’t think about it again all week.

Matt T

Black

Honestly feels like cheating — I shook it in, patted it down, and boom… hair looked thick again. Took like 30 seconds.

Grace F

Living in a humid city means my hair is constantly fighting the weather. I’ve tried expensive salon sprays that promise hold but my hair always went limp the minute I stepped outside. Volume was different. It gave me texture and lift that actually survived a hot, sticky subway ride. Love it.

Amira S

Brown

I hated how my part line looked under bright lights. With Define, I can walk into meetings without worrying about people staring at my scalp.

Chris B

Black

Beard on point. Hairline clean. Confidence back.

Leila A

Blonde

After pregnancy, my hairline thinned badly. I tried sprays, but they ran in the heat. Define solved it — precise, dry, and blends perfectly. Now I pull my hair back without worrying.

Hannah R

Blonde

Ordered on a whim — now my sister steals it before nights out. We fight over the bottle lol.

James T

Brown

Finally something that lasts more than a day. Applied once on Monday, and this photo was taken on Friday

Michael S

Blonde

I’ve tried sprays, powders, and serums. Most looked fake or rubbed off on my collar. This one? Blended right in and didn’t budge. Finally something that works like it says.

Jenny H

Brown

Everything else I’ve used either washes off with a little sweat or looks fake. Conceal surprised me it actually blends so naturally that nobody notices, and I’ve tested it in the rain and at the gym. The best part is I don’t need to redo it daily.

Daniel M

Dark Brown

Sharp lines in seconds. Beard looks like I just left the barber.

Michael B

Black

Looks like my own hair — even my barber didn’t notice.

Sophie L

Blonde

I’m a mom of two, and time is not something I have. This powder hides my thinning temples in seconds and lasts through school drop-off, work, and dinner.

James R

Dark Brown

Beard touch-ups used to take me 10 minutes with pencils and gels. With Define, it takes less than one. And it looks better.

Chloe B

My hair is very fine and tends to separate around my part line. With Volume, it actually looks fuller and frames my face better. It’s subtle but makes a big difference in my confidence.

Because you deserve confidence that lasts. Restore fullness, redefine you.

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