FLUX Undies Period Pants Reviews - Average 5* Rating

Based on 652 reviews
85%
(555)
11%
(71)
4%
(26)
0%
(0)
0%
(0)
L
Classic Bikini - Heavy Flow
Lucy (Greenwich, GB)
Flow: Moderate
Products used: FLUX Undies, obvs!, Menstrual cup
Comfortable

Comfortable fit, great sizing, love the lace design, look very similar to regular pants. Perfect as a backup for a cup.

R
Essential Brief - Heavy Flow
R. (Basingstoke, GB)
Flow: Moderate
Products used: FLUX Undies, obvs!, Tampons, Disposable pads
Pretty decebt

They’re pretty good for the price. They’re pretty thick though and I guess they have a sort of… boxer short vibe to them? They work pretty well but I used them mostly at night… during the day I would be too nervous (and how to change my pants during work!?)

R
Seamless Bikini
R.Z. (Brescia, IT)
Flow: Light
Products used: Menstrual cup
Seamless Bikini

I tried "Seamless Bikini". I really love the seamless style, because I use to dress a seamless pants.
I decided to buy this period pants, to have more protection with the Menstrual cup and stop to use panty saver during my periods. I used it at the beginning and the last daies of my periods when is not good to use the menstrual cup.
This is an amazing combo: confortable and eclogical. I'm feel free and quite!

J
Essential Brief - Moderate Flow
Jacynthe (Aberdeen, GB)
Flow: Heavy, Moderate
Products used: FLUX Undies, obvs!, Menstrual cup
Comfortable underwear

Got the size M, it looked much bigger than I thought but fits really well. I wear it on heavy nights and I use my cup at the same time. I don’t worry about leaking on the bed at night and so far so good! I used to wear pads and the pants feel much better, dithery don’t feel bulky or sweaty like pads can be.
If you can afford a good pair like flux I’d recommend you make the investment, I think I’ll even get myself another pair.

S
Sleep Short - Super Heavy Flow
Shai Brown (Peterborough, GB)
Flow: Heavy
Products used: FLUX Undies, obvs!, Tampons, Disposable pads
Almost perfect

These are super absorbent and I’ve had no issues with leaking at all, my only problem is that they are a bit tighter than I would have liked so I would recommend sizing up.

S
Essential Brief - Heavy Flow
Sharan C (Camberwell, GB)
Flow: Heavy
Products used: FLUX Undies, obvs!, Tampons
No leak, no worry

These have been just what I needed. They provide enough protection through the night & I no longer worry about leaks.

Z
Essential Brief - Moderate Flow
ZOE (Manchester, GB)
Flow: Heavy, Moderate
Products used: FLUX Undies, obvs!
Perfect

They are so comfy and just makes life easier and better for the environment. I dont have to worry anymore about having pads with me and I can attend my exercise classes without worrying about leaks. Highly recommend !

P
Essential Brief - Heavy Flow
Polina Pozarova (Leeds, GB)
Flow: Heavy
Products used: FLUX Undies, obvs!, Disposable pads
work great!

these are very good especially at night! ⟟ feel like leaking has definitely stopped when i’m asleep so ⟟ definitely reccomend

C
Essential Brief - Heavy Flow
Claire V. (Islington, GB)
Flow: Moderate
Products used: FLUX Undies, obvs!
Very good

This pair fits very well and are very confortable during my periods. It feels secure and I'm very happy result. Such a change from the disposable pads !

A
Essential Brief - Heavy Flow
Alice (Hockley, GB)
Flow: Moderate
Products used: FLUX Undies, obvs!, Disposable pads
Pleasantly Surprised

A complete change of mindset to wear just knickers and no towel and of course I worried they wouldn’t work but I was wrong! I wore them of a night and instead of feeling uncomfortable and not sleeping properly everything was good! So yes I’ve been pleasantly surprised and would definitely recommend!

S
Classic Bikini - Heavy Flow
Sandy (Wolverhampton, GB)
Flow: Heavy, Moderate
Products used: Tampons
Happy with the product

I will definitely buy a few more of these.
Comfortable to wear. I get irritated by seams on underwear but these felt really soft. No irritation.

L
Classic Boyshort - Light Flow
Laura Corbett (London, GB)
Flow: Super Heavy
Products used: FLUX Undies, obvs!
Lifechanging

I bought this underwear over TWO years ago now, and they still last.

I have heavy, clotting periods and I go through 3 pairs in 24 hours and they're fantastic. I wake up, put on a fresh pair and they last me all the way through work, come home, shower, new pair then a new pair before bed to make sure. Cannot reccomend them enough.

K
Sleep Short - Super Heavy Flow
K. B. (Albuquerque, US)
Flow: Super Heavy, Heavy, Moderate
Products used: FLUX Undies, obvs!
Most comfortable period product ever

After having my child, tampons became incredibly uncomfortable for me, and they’d always been kind of annoying so I switched to pads. Those were ok for a while, definitely convenient, but I started to develop a sensitivity to the adhesive backing. Trust me, having hives around your crotch and on the exact areas your thighs rub together is awful.
I found out about period panties, and I bought a couple pairs to try out. That was a few months ago, and since then I’ve bought another ten pairs from Flux! They’re not bulky (which I was concerned about). They feel just like regular panties, just a little thicker, and they’re surprisingly easy to keep clean. They’re not as convenient as a pad or tampon you can just toss after it’s used, of course, but if you have two or three pairs it’s very simple to get a rotation going. I was also worried at first about smell, but the panties don’t smell any more than a disposable pad does. And once you wash them the smell goes away. I don’t get rashes anymore, I haven’t leaked on my sheets or clothing once, I’m not contributing to the massive amounts of trash created by disposable period products. It just feels good all around.

Sorry for the extended essay, I’ll sum up: I’ll never go back to disposable pads and tampons.

C
Essential Brief - Moderate Flow
Colleen Moore (Dorking, GB)
Flow: Heavy, Moderate
Products used: FLUX Undies, obvs!
Comfy and worry free period undies

I am new to the world of period undies having not had a period in over 5 years due to being on the pill. I ordered 1 pair to try as I wasn't convinced on whether they would even work. I can confidently say that the Flux Briefs are comfy and totally reliable. The moderate flow undies safely covered me for 5+ hours which is impressive considering it was day 1 and I am on blood thinners. I'll be getting more for sure!

E
Seamless Bikini
Eve Mcnaghten (York, GB)
Flow: Moderate
Products used: FLUX Undies, obvs!, Cloth pads
Super comfortable & absorbent!

I absolutely love these flux period undies! They are so comfortable, super absorbent and leak proof, they are so discreet too! it feels like I’m free bleeding! I love them! I need more!

C
Detachable - Light Absorbency
Claire (Saint Helier, JE)
Flow: Moderate
Products used: FLUX Undies, obvs!, Tampons, Disposable pads
Love them

Love the shape of these pants as they don't come as high up your tummy or back. Never had any leaks, but use most often when I need to change out of swimsuit on the beach and I'm worried my tampon might leak. I don't tend to use the clip, and the clip means they aren't great for night time wear. Would love to see this shape with no clip, but even so please restock!

L
Classic Bikini - Heavy Flow
Luisa Martin (Norwich, GB)
Flow: Moderate
Products used: FLUX Undies, obvs!, Menstrual cup
Fantastic

Don't even know I'm wearing them, as they feel like normal knickers.

V
Classic Boyshort - Heavy Flow
Veronica B (Dublin, IE)
Flow: Super Heavy
Products used: Disposable pads
Sizing

Great product. Only thing to be careful of is size. I'm a 16 plus (the Covid stone plus!) so went for 16/18 but band is a bit tight bearing in mind bloating etc. But other than that so comfortable compared to bulky pads.

L
Ribbed Cotton Thong
L.C. (Dublin, IE)
Flow: Heavy, Moderate
Products used: FLUX Undies, obvs!, Cloth pads, Menstrual cup
Good protection, not the comfiest

Bought light - flow thong to wear on day 5 of my period, and while it's great for absorbency (I feel 100% safe with no cup) the thickness of it is not ideal for a thong. It's not very comfortable compared to regular thongs or the other Flux undies I bought (hipster). I guess I should have expected as much! Might try the seamless thong one day, maybe they have less fabric... or maybe just give up on my dreams of wearing thongs while I'm bleeding!

Flow: Heavy, Moderate
Products used: FLUX Undies, obvs!, Cloth pads, Menstrual cup
Love love love

Switched to using a cup a few years ago, as well as cloth reusable pads for sleeping with, but was still getting occasional leaks. I bought one moderate flow to wear with cup on my heaviest day, and a light flow pair for day 5 (no cup). I've been converted and will probably get a pair for every day plus some sleeping shorts to replace my cloth pads! Game-changer

L
Classic Boyshort - Light Flow
Leah Ingrouille (Chelmsford, GB)
Flow: Moderate
Products used: Menstrual cup
Peri menopause

With cycles all over out of sync these are great and comfy to wear as normal pants if you feel that you might come on whilst busy doing life.
Preferred the fit of these to the high waist which really were too high and not very stretchy.

L
High Waist - Light Flow
Leah Ingrouille (Chelmsford, GB)
Flow: Moderate
Products used: Menstrual cup
Peri menopause

I bought these to wear for the what if days. You know, when you feel like you might start your period but your not sure as your cycle is all over the place. When it’s not convenient to be popping to the loo frequently and carrying the menstrual cup in your pocket. These feel like normal pants but reassuring. I preferred the fit if the boy pants though.

V
Seamless Thong
Victoria (Hackney, GB)
Flow: Light
Products used: FLUX Undies, obvs!, Menstrual cup
Great but runs a little small

I love my Flux, they make me feel super comfy and safe when I’m on my period, however I found this style runs quite small and is a bit tight on my hips and tummy (especially with the period bloat..) so I’d recommend going a size up.

Flow: Moderate
Products used: FLUX Undies, obvs!, Cloth pads, Menstrual cup
Brilliant pants!

Really glad I bought these period pants I've worn them twice so far on days when I was at home and didn't want the faff of putting my cup in! Doesn't feel mucky or anything, doesn't feel like I'm on my period except that these are not a style of pant I'd normally wear as they give a massive VPL and really make my flesh bulge everywhere despite being the right size. This is the reason for one star loss as they're tight. I would be keen to buy a size up though would also worry incase they're meant to be tight to be most effective?? I'd speak to customer service befor making the decision. I'd like the high waist next time but these were on sale and as my first pair wanted the cheap option to test them out.

M
Essential Hipster - Moderate Flow
Marina A. (Nicosia, CY)
Flow: Moderate
Products used: FLUX Undies, obvs!, Tampons
Great, will buy more!

Very very comfortable, great absorption, they work great for the days with moderate flow! They are pretty bulky (not as bulky as the heavy flow boyshorts, which I also own) so they can't be worn with tight clothes, but still they are a great buy!