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100% Satisfaction Guarantee

We guide you and provide you with new panties – if they don't work either, you'll get your money back.

Loved by +20,000 women

We are created by menstruators
for menstruators.

4.7 on Trustpilot

"The best panties on the market!"

Buy 5 - save 20%

You can mix and match
according to your needs.

We deserve better

Why choose period underwear from Flow?

Nach zwei Fruchtbarkeitsbehandlungen und zwei Geburten wollte ich keine Menstruationsprodukte mehr verwenden, die in meinen Körper gelangen – ich wollte in Ruhe bluten können.

Das war der Beginn von Flow – den ersten Menstruationshöschen auf dem dänischen Markt.

Heute stellen wir Menstruationsunterwäsche her, bei der Komfort, Qualität und verantwortungsvolle Produktion im Vordergrund stehen – entwickelt von Menschen, die selbst menstruieren.

✔️ Weiche, hautfreundliche Materialien
✔️ Unterschiedliche Absorptionsgrade
✔️ Komfort wie normale Unterwäsche
✔️ Eine umweltfreundlichere Alternative zu Einwegprodukten

Unsere Mission ist es, die Menstruation freier, sicherer und unkomplizierter zu gestalten – ohne dabei Kompromisse bei Stil oder Funktion einzugehen.

Mit freundlichen Grüßen, Catherine

What we are most proud of

5 great reasons why you'll love us

THE HEART IS ALWAYS FIRST

Wir sind auch hier, um größere Veränderungen zu bewirken, die über Ihren Alltag hinausgehen.
Unser Gründer änderte 2021 die dänische Gesetzgebung, indem er die Altersgrenze für gefrorene Eier aufhob.
Im Jahr 2025 haben wir Folgendes geschaffen die Red Flag-KampagneDadurch wurde der dänischen Frauen-Nationalmannschaft im Handball das Recht gesichert, während der Weltmeisterschaft dunkle Shorts zu tragen. Und es geht immer noch weiter.

SAFETY AND SECURITY IMMEDIATELY AFTER

Trotz fehlender Gesetze und Sicherheitsanforderungen für Menstruationsprodukte in der EU übernehmen wir selbstverständlich Verantwortung. Wir verzichten auf PFAS, Nanosilber und jegliche künstliche „Frische-Behandlung“ der Absorptionsschichten. Unsere Slips werden von unabhängigen Laboren auf chemische Inhaltsstoffe geprüft. Innovationen ohne Kompromisse bei Ihrer Sicherheit zur Lösung von GeruchsproblemenDie

PREMIUM PRODUCTION

We produce in Portugal, Denmark, Lithuania, and Turkey – always using the best materials such as organic cotton, organic merino wool, and ECONYL®.

Our partners are the best in their respective fields, and several of our factories are GOTS-certified, which ensures high standards for employee welfare.

BY PEOPLE WHO MENSTRUATE, FOR PEOPLE WHO MENSTRUATE

We create products we ourselves need - and test them thoroughly (so yes, they are tested with real menstrual blood). In addition, we have a test panel consisting of hardcore and dedicated members from our community who take the task seriously.


Join here.

MORE THAN MENSTRUATION

We know. It's about much more than menstruation. It's about a changing body - throughout the entire cycle, month after month.

That's why we are redefining what 'period products' are beyond a practical solution. The best-rated absorbent underwear, yes, but also care that supports you and your body throughout your entire cycle.
That's Flow Cycle Routine.

Everyday Bra - Scoop - Flow Intimates
Everyday Bra - Scoop - Flow Intimates

FAQ

Wie lange halten Menstruationsunterwäsche?

The general expectation for the lifespan of socks and underwear is about 3 years. These are garments that wear out and are used every day.

Since we don't add chemical treatments to the pad, no function will degrade.

If you take good care of your period panties and wash them according to instructions, the quality of our period panties is so good that you can easily use them for 3 years or even longer.

Here you can find our guide on how to best care for your period panties.

How do I choose the best fit for me?

We have menstrual panties that fit different bodies - whether you prefer a low rise, mid rise or high rise fit.

The Period Flow Brief and Period Flow Shorts both have a high waist, which is loved by many for the feeling of a hug around the belly.

Period Flow Cheeky has a more sporty look but with a wide and soft elastic at the waist - it is mid-rise.

Then we also have the classic low-waisted fit , which is a super nice, basic menstrual panty if discretion under the panty hem is *your thing*.

How long can I use them at a time?

It depends on your flow and your cycle day - as well as the absorbency of the panties.

But changing your menstrual panties at least morning and night is good hygiene - think of your absorbent underwear just like pads and tampons. They need to be changed every now and then.

But unlike tampons, for example, you are not at risk of Toxic Shock Syndrome, as menstrual panties are a non-invasive menstrual product.