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You're about to enter the THINX Periodical, a blog with *adult-ish* content. Do you want to proceed?

period-proof underwear that works

THINX can be worn as a back-up or replacement to traditional period products. Depending on your flow (light, medium, heavy), THINX can replace pads and liners or be worn with tampons and cups for extra protection.

Save $10 when you shop our All-Star Set: 3 best-selling styles in 1 special bundle.

Visit our NYC pop-up store at 199 Lafayette St and shop alllll our styles β€” including our sister brands THINX (BTWN) & Icon. We’re here in Soho until 2/26/19! πŸ‘‹

Say hi to THINX (BTWN): our *new* line of super-absorbent underwear specially made for young people with periods. πŸ™‹πŸ’ž

re.t.a is here: the first FDA-cleared reusable tampon applicator (aka our latest innovation for a better period *and* better planet).

how do
THINX work?

how do
THINX work?

Our period-proof undies hold up to 2 tampons’ worth β€” yet they look and feel like regular underwear.

learn more

try 'em
risk-free!

free shipping on 1st order w/ account

60 day money-back guarantee

free,
no-hassle returns

best-sellers

Get started with a few favorites from menstruators like you!

the girl who bled a river — and it was fine

let’s period better, together

Get period inspo, see new styles, and smash the taboo with us on Instagram. Follow us @shethinx and share your experience using #THINX.

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