The first period pants to hit UK stores. Find us in Holland & Barrett and Planet Organic!

yep, it's period-proof underwear that actually works.

*no tampons required

re-think your period.

tired of leaks and stained sheets? we were too.

that's why we make functional underwear for periods.


our unique undies hold up to 4 tampons' worth,

keeping you covered day 'n' night 


say hello to freedom and #flowwithflux 

go leakproof

leakproof never looked so good

blood. sweat. leaks.


our built in protective panel is moisture wicking, super absorbent and leak proof, keeping you covered through periods, sweat, and leaks.

our built-in tech is moisture wicking, super absorbent, and leak-proof, keepin' you covered through periods, sweat, and leaks. we've got you covered.

easy changing


ever want to change without getting undressed? our side clasps allow for easy changing without stepping foot off the ground.

ever wanted to change without getting undressed? our simple side clasps allow you to change without stepping foot off the ground.

for women like you


for every scar, freckle, & stretch mark. for every shape and size. we cover sizes xl - 3xl, represent real women, & stay #photoshopfree.

for every curve, scar, & stretch mark. for women of every shape and size. we cover sizes xs - 3xl, represent real women, and stay #photoshopfree.

go leakproof

leakproof never looked so good

Holds 4 tampons' worth 

Our heavy protection undies hold more than any other product on the market today. 

It's the ultimate period protection.

FLUX Detachable

£27.95

FLUX Bikini

£27.95

FLUX Hi-Waist

£28.95

As seen in...

As seen in...




Our undies win awards...

We won a Shell LiveWIRE Smarter Future Award in May 2019 for innovation and the positive impact they have on our environment. One pair of FLUX Undies replaces hundreds of disposables, so why don't you try our award-winning undies for yourself and do your bit to help save the planet.



Holds 4 tampons' worth

Our undies have built-in magic and hold more than any other product on the market today. It's the ultimate period protection.

FLUX Hi-Waist

£28.95

FLUX Bikini

£27.95

FLUX Detachable

£27.95

FLUX Thong

£24.95


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