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We'll guide you and give you a new pair of underwear - if that doesn'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 menstrual panties from Flow?

After two fertility treatments and two births, I no longer wanted to use menstrual products that went inside my body - I wanted to be able to bleed in peace.

That was the start of Flow - the first period underwear on the Danish market.

Today, we make period underwear 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 complicated - without compromising on style or function.

Best regards, Cathrine

What we are most proud of

5 good reasons why you'll love us

THE HEART ALWAYS COMES FIRST

We're also here to create bigger changes than just in your everyday life.
Our founder changed Danish legislation in 2021 by having the age limit on frozen eggs removed.
In 2025, we created the Red Flag campaign, which ensured the Danish women's national handball team the right to wear dark shorts during the World Cup. And we're not stopping there.

SAFETY AND SECURITY IMMEDIATELY AFTER

Despite the lack of legislation and safety requirements for menstrual products in the EU, we do not shy away from our responsibility. We do not use PFAS, nano-silver - no magical "stay fresh" treatments of the absorbent layers. We third-party test our panties for chemicals and use innovation without compromising your safety to address odor issues.

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.

BY PERIOD-HAVERS, FOR PERIOD-HAVERS

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.


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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 is Flow Cycle Routine.

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

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 treatments to the pad, there is no function that degrades.

If you take good care of your period pants and wash them according to instructions, the quality of our period pants 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 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.

BH'er uden bøjle - bøjlefrie BH'er giver komfort uden kompromis

BH'er uden bøjle er det blødeste og rareste valg i hverdagen. En god bøjlefri BH skal føles så behagelig, at du næsten glemmer, du har den på.

Hos Flow designer vi bøjlefrie BH'er med fokus på naturlig støtte, bløde materialer og gennemtænkte detaljer, der følger kroppen – ikke omvendt. Vores Everyday-kollektion er skabt til hverdagen, hvor komfort, bevægelsesfrihed og et enkelt, skandinavisk design går hånd i hånd.

Uanset om du foretrækker en klassisk udskæring eller en feminin plunge-model, finder du en bøjlefri BH, der støtter uden at stramme.

Hvorfor vælge en BH uden bøjle?

Mange vælger en BH uden bøjle, fordi den giver en mere naturlig følelse gennem dagen.

Uden metalbøjler får du større bevægelsesfrihed og en BH, der former sig efter kroppen. Samtidig er vores modeller udviklet med brede elastikker, gennemtænkte snit og justerbare stropper, så du stadig får den støtte, du har brug for.

Resultatet er en BH, der er lige velegnet til arbejde, afslapning, hjemmearbejde og lange dage på farten.

Bløde materialer med høj komfort

Vores Everyday BH'er er syet i blød og åndbar lyocell, som føles behagelig mod huden hele dagen.

Materialet er valgt for sin bløde kvalitet, sit elegante fald og sin lette komfort. Sammen med den bøjlefri konstruktion giver det en oplevelse af frihed, uden at BH'en mister sin pasform.

Find den model, der passer til dig

I kollektionen finder du to forskellige udtryk:

Everyday Bra Scoop har en dybere udskæring og et mere feminint udtryk. Den passer perfekt under skjorter, kjoler og toppe med V-hals – samtidig med at den giver naturlig støtte uden bøjler. BH'en har justerbare stropper og rynk under brystet for en smuk skål og runding af brystet.

Everyday Bra Plunge har en klassisk, rund udskæring og giver lidt mere dækning. Den er perfekt til dig, der ønsker et tidløst look og maksimal komfort.

Begge modeller er designet til at kunne bruges hele dagen og kan matches med vores Everyday Flow Thong og Soft-collection for et komplet undertøjssæt.

Derfor vælger kvinder Flow

  • Bøjlefri BH'er med naturlig støtte
  • Fremstillet i bløde og åndbare materialer som økologisk bomuld og lyocell
  • Komfort uden metalbøjler
  • Justerbare stropper og gennemtænkt pasform
  • Skandinavisk, minimalistisk design
  • Skabt til hverdagsbrug
  • Matchende absorberende undertøj i samme kollektion

Komfort til hele dagen

Hos Flow tror vi på, at godt undertøj ikke skal mærkes – det skal bare fungere.

Vores bøjlefrie BH'er er udviklet til kvinder, der ønsker frihed, komfort og et enkelt design, som følger kroppen gennem hverdagens mange timer. Fordi den bedste BH er den, du har lyst til at tage på igen i morgen.

Ofte stillede spørgsmål

Hvad er fordelene ved en bøjlefri BH?

En bøjlefri BH giver en mere naturlig følelse og høj komfort, fordi den former sig efter kroppen uden metalbøjler. Mange oplever større bevægelsesfrihed og mindre tryk gennem dagen.

Giver en bøjlefri BH nok støtte?

Ja. Moderne bøjlefri BH'er kan give god støtte gennem brede elastikker, gennemtænkte snit og stabile stropper – uden brug af bøjler.

Hvad er forskellen på Scoop og Plunge?

Everyday Bra Plunge har en klassisk, rund udskæring med lidt mere dækning. Everyday Bra Scoop har en dybere udskæring og passer godt under toppe og kjoler med V-hals.

Hvilket materiale er BH'erne lavet af?

Vores Everyday BH'er er fremstillet i blød og åndbar lyocell, som føles behagelig mod huden og giver høj komfort gennem hele dagen.

Kan jeg matche BH'en med undertøj?

Ja. Begge BH-modeller er designet til at matche Everyday Flow Thong og Soft Collection-kollektionen.

Er de velegnede til hverdagsbrug?

Ja. Everyday-kollektionen er udviklet specifikt til hverdagsbrug med fokus på komfort, bevægelsesfrihed og et tidløst design.

Non-wired bras