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We deserve better
Why choose period panties from Flow?
After two fertility treatments and two births, I no longer wanted to use menstrual products that had to be inserted into the body - I wanted to be able to bleed in peace.
This was the beginning of Flow - the first menstrual panties on the Danish market.
Today, we make menstrual panties with a focus on comfort, quality, and responsible production - created by people who menstruate themselves.
✔️ Soft, skin-friendly materials
✔️ Different absorption levels
✔️ Comfort like regular underwear
✔️ A more environmentally friendly alternative to disposable products
Our mission is to make menstruation freer, safer, and less bothersome — without compromising on style or function.
Best regards, Cathrine
What we are most proud of
5 gute Gründe, warum Sie uns lieben werden
THE HEART ALWAYS COMES FIRST
We are also here to create bigger changes than just in your daily life.
Our founder changed Danish legislation in 2021 by removing the age limit on frozen eggs.
In 2025, we created the Red Flag campaign, which secured the Danish women's national handball team the right to wear dark shorts during the World Cup. And we're not stopping there.
IMMEDIATE SAFETY AND SECURITY
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 sets requirements for employee welfare.
VON MENSTRUIERENDEN FRAUEN FÜR MENSTRUIERENDE FRAUEN
We create products that we ourselves need - and we 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.
MORE THAN MENSTRUATION
Wir wissen es. Es geht um viel mehr als nur um die Menstruation. Es geht um den Körper im Wandel – während des gesamten Zyklus, Monat für Monat.
Deshalb definieren wir „Herrenbekleidung“ neu – über eine rein praktische Lösung hinaus. Natürlich bieten wir die bestbewertete, saugfähige Unterwäsche, aber auch Pflege, die dich und deinen Körper während des gesamten Zyklus unterstützt.
Es ist Ablaufzyklusroutine.
FAQ
How long do period panties last?
The expected lifespan of socks and underwear in general is approximately 3 years. These are items of clothing that are subject to daily wear and tear.
Since we do not add chemical treatment to the pad, no function will deteriorate.
If you take good care of your period pants, washing them according to instructions, the quality of your period pants from us is so good that you can easily use them for 3 years and even longer.
Here you will find our guide on how to best care for your period pants.
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.
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