We re-engineer life’s essential products — starting with your tampon.

  • 3749 Buchanan St #316 San Francisco CA 94123


Bringing fluid mechanics to tampons.

Made with our patent-pending helical design to absorb more evenly and to capacity.
No more red lines down the side and no more leaks before it's full.
Developed by female mechanical engineers at the Stanford Design School and Stanford Center for Biodesign.

Only the safest, highest-performing materials

Free of the bad stuff so you can focus on what matters.
Sequel tampons are dye free, chemical free, fragrance free and made with the softest fibers.
We searched the world to find the best performing materials and create a tampon designed for a distraction-free period.

The softest fibers

Three sizes available

For use up to 8 hours

Chemical free

Fragrance Free

Dye Free