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100% CLEAN, NON-IRRITATING
NO ANIMAL TESTING
FREE SHIPPING ON ALL U.S. ORDERS $200+
Lightweight & Breathable
Cruelty Free
Weather-Proof
Safe For All Hair Types
Undetectable

Who's Thicker Define For?

Precision Styler

For men and women who want clean, sharp definition along hairlines, beards, or parts — every detail perfected.

On-the-Go Professional

Compact and easy to carry, perfect for professionals or travelers who need quick, mess-free touch-ups anywhere.

Confidence Seeker

Ideal for those who want subtle coverage to feel polished and put-together every day with minimal effort.

Spotlight Guest

Perfect for men and women preparing for big events who want polished definition that lasts all night.

Thicker

Precision Application

Targeted puff applicator delivers colour exactly where you need it. No mess, no excess.

Thicker

Seamless Definition

Blends naturally into hairlines, parts, and beards for sharp, undetectable touch-ups.

Thicker

On the Go Confidence

Compact and easy to use anywhere, with results that last until you wash it out.

Simple Ingredients, Powerful Results

Mica

Creates a smooth, natural-looking finish that blends seamlessly with your hair.

Targeted Coverage, Perfectly Defined.

Frequently Asked Questions

Rated 4.8/5 by 821 Hair Restorers

Natalie P

Black

Doesn't feel like its clogging my scalp and lasts until I wash it out.

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.

Kyle T

Dark Brown

My mornings used to feel rushed. Now I tap on Define in under a minute and head out looking put together. It’s the fastest step in my routine.

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.

Melissa W

Black

No fallout, no fake look, just a clean finish on my hairline every time.

Alex G

Brown

Tried sprays, gels, and pencils — messy, smudgy, and obvious. Define’s puff applicator finally solved it. Crisp edges and no shirt stains.

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.

Blonde

Brown

I travel for work and needed something small, quick, and discreet. Define checks every box.

Hannah J

Black

I carry it in my purse for root touch-ups between salon visits. Looks natural, lasts until shampoo — my stylist couldn’t believe I wasn’t coloring weekly.

Chris B

Black

Beard on point. Hairline clean. Confidence back.

Daniel M

Dark Brown

I’ve avoided growing a full beard because of patchiness. Define gave me the confidence to finally do it. It fills the gaps without looking fake. The puff applicator is genius — it’s controlled, no mess, and lasts all day. Even after a workout, my beard line looked sharp. For the first time, I’m actually proud of my beard."

Rachel K

Brown

good like an eraser for thin spots.

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.

Daniel M

Dark Brown

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