how Thinx work

Thinx are washable, reusable period underwear. They look and feel just like normal underwear — but better.

Thinx are washable, reusable period underwear. They look and feel just like normal underwear — but better.

  • fresh and dry

  • built-in protection

  • all-day comfort

  • machine-washable

  • odor-controlling

how Thinx do their thing

Thinx period products are made with our signature, innovative technology for the ultimate period protection. Our breathable products are safely made with cotton, nylon, and elastane (for a little stretch!)

Moisture-wicking top layer draws away wetness and dries fast
Features odor control technology to neutralize odors
Ultra-absorbent core layer absorbs up to 5 regular tampons’ worth
Leak-resistant layer keeps clothes, sheets, and everything stain-free

how to care for your Thinx period undies

Machine wash

machine-wash cold

Wash cold before first wear, then after each use on a delicate cycle. Do not use bleach or fabric softener. If hand washing, the water should feel close to room temperature.

Hang dry

hang dry

Hang up your Thinx in a non-humid environment, and wait for them to fully dry before putting them away. No ironing, please!

want some more tips and tricks on taking care of your Thinx?

learn more

how Thinx work for you

See how Thinx work for these unique people, with our full range of products that support every day of their flow.

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want to find out which Thinx are right for you?

take the Know Your Flow quiz

FAQs

start off with these fan favorites

We get it –– changing up your period routine can be hard. Our #1 tip: try Thinx at home first, so you can get familiar with how they work for your flow!

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Black Super Bikini Set

Saver Set Price$43

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Super Hi-Waist

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Black Super Bikini Set view 1Black Super Bikini Set view 2

Black Super Bikini Set

Saver Set Price$43

Super Hiphugger view 1Super Hiphugger view 2

Super Hiphugger

Original Price

$35

Super Hi-Waist view 1Super Hi-Waist view 2

Super Hi-Waist

Original Price

$35